diff --git a/app/Domains/Core/Address/Models/Address.php b/app/Domains/Core/Address/Models/Address.php
index a914966b..0fc7805b 100644
--- a/app/Domains/Core/Address/Models/Address.php
+++ b/app/Domains/Core/Address/Models/Address.php
@@ -3,8 +3,10 @@
 namespace App\Domains\Core\Address\Models;
 
 use App\Domains\Core\Tenant\Models\Tenant;
+use App\Domains\Ticketing\Event\Models\Event;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Address extends Model
 {
@@ -18,6 +20,12 @@ class Address extends Model
         ];
     }
 
+    /** @return HasMany<Event, $this> */
+    public function events(): HasMany
+    {
+        return $this->hasMany(Event::class);
+    }
+
     /** @return BelongsToMany<Tenant, $this> */
     public function tenants(): BelongsToMany
     {
diff --git a/app/Domains/Ticketing/Event/Models/Event.php b/app/Domains/Ticketing/Event/Models/Event.php
index ca3e042d..b3d0b819 100644
--- a/app/Domains/Ticketing/Event/Models/Event.php
+++ b/app/Domains/Ticketing/Event/Models/Event.php
@@ -3,6 +3,7 @@
 namespace App\Domains\Ticketing\Event\Models;
 
 use App\Domains\Commerce\Catalog\Models\CatalogItem;
+use App\Domains\Core\Address\Models\Address;
 use App\Domains\Core\Client\Models\Client;
 use App\Domains\Core\Tenant\Models\SocialMedia;
 use App\Domains\Core\Tenant\Models\Tenant;
@@ -15,14 +16,14 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
-#[Fillable(['client_id', 'tenant_code', 'slug', 'event_category_id', 'title', 'subtitle', 'description', 'location', 'exact_location', 'date_text', 'published_at', 'attachment_id'])]
+#[Fillable(['client_id', 'tenant_code', 'slug', 'event_category_id', 'title', 'subtitle', 'description', 'address_id', 'location', 'exact_location', 'date_text', 'published_at', 'attachment_id'])]
 class Event extends Model
 {
     use HasFactory;
 
     protected function casts(): array
     {
-        return ['client_id' => 'integer', 'published_at' => 'datetime', 'exact_location' => 'array'];
+        return ['client_id' => 'integer', 'address_id' => 'integer', 'published_at' => 'datetime', 'exact_location' => 'array'];
     }
 
     /** @return BelongsTo<Tenant, $this> */
@@ -37,6 +38,12 @@ class Event extends Model
         return $this->belongsTo(Client::class);
     }
 
+    /** @return BelongsTo<Address, $this> */
+    public function address(): BelongsTo
+    {
+        return $this->belongsTo(Address::class);
+    }
+
     public function effectiveClient(): Client
     {
         return $this->client ?? $this->tenant->client;
diff --git a/app/Domains/Ticketing/Event/documentacion/README.md b/app/Domains/Ticketing/Event/documentacion/README.md
index 97ac8b42..453bf021 100644
--- a/app/Domains/Ticketing/Event/documentacion/README.md
+++ b/app/Domains/Ticketing/Event/documentacion/README.md
@@ -13,6 +13,20 @@ mediante `event_id`. El catálogo `social_media` define las plataformas;
 `exact_location` guarda opcionalmente un objeto JSON con `latitude` (-90 a 90)
 y `longitude` (-180 a 180). `location` sigue siendo la dirección legible.
 
+`events.address_id` es una referencia opcional a `addresses.id`: `Event::address()`
+obtiene su dirección y `Address::events()` permite reutilizar una dirección en varios
+eventos. Al borrar una dirección, el vínculo queda en `NULL` y se conserva el evento.
+
+La migración `2026_09_30_000200_add_address_id_to_events` agrega el vínculo.
+`2026_09_30_000300_copy_event_locations_to_addresses` copia `location` a
+`address_text` y las coordenadas de `exact_location` a `latitude` y `longitude`, con
+el label `Ubicación del evento`. Solo copia eventos sin `address_id` y con texto de
+ubicación; no modifica los campos ni los timestamps originales, ni vincula la
+dirección al tenant. Si faltan texto y coordenadas, el vínculo queda en `NULL`.
+Los datos inválidos, incluidas coordenadas sin texto de dirección, detienen la
+copia y revierten las inserciones para evitar una migración parcial. Las migraciones
+deben ejecutarse explícitamente por quien administra la base.
+
 La migración `2026_09_18_000500_restore_events` crea un evento por cada tenant que
 tenía datos de evento o fechas, y migra las fechas y redes correspondientes.
 `2026_09_18_000600_associate_active_event_social_media` copia al evento activo las
diff --git a/database/migrations/2026_09_30_000200_add_address_id_to_events.php b/database/migrations/2026_09_30_000200_add_address_id_to_events.php
new file mode 100644
index 00000000..e7289792
--- /dev/null
+++ b/database/migrations/2026_09_30_000200_add_address_id_to_events.php
@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('events', function (Blueprint $table): void {
+            $table->foreignId('address_id')->nullable()->constrained('addresses')->nullOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('events', function (Blueprint $table): void {
+            $table->dropConstrainedForeignId('address_id');
+        });
+    }
+};
diff --git a/database/migrations/2026_09_30_000300_copy_event_locations_to_addresses.php b/database/migrations/2026_09_30_000300_copy_event_locations_to_addresses.php
new file mode 100644
index 00000000..04c7fac6
--- /dev/null
+++ b/database/migrations/2026_09_30_000300_copy_event_locations_to_addresses.php
@@ -0,0 +1,57 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        DB::transaction(function (): void {
+            DB::table('events')->whereNull('address_id')->orderBy('id')->lockForUpdate()
+                ->chunkById(100, function ($events): void {
+                    foreach ($events as $event) {
+                        $coordinates = $event->exact_location === null
+                            ? null
+                            : json_decode($event->exact_location, true, flags: JSON_THROW_ON_ERROR);
+
+                        if ($coordinates !== null && (! is_array($coordinates)
+                            || ! is_numeric($coordinates['latitude'] ?? null)
+                            || ! is_numeric($coordinates['longitude'] ?? null)
+                            || ! is_finite((float) $coordinates['latitude'])
+                            || ! is_finite((float) $coordinates['longitude'])
+                            || abs((float) $coordinates['latitude']) > 90
+                            || abs((float) $coordinates['longitude']) > 180)) {
+                            throw new RuntimeException("Invalid location coordinates for event {$event->id}");
+                        }
+
+                        if ($event->location === null || trim($event->location) === '') {
+                            if ($coordinates !== null) {
+                                throw new RuntimeException("Missing address text for event {$event->id}");
+                            }
+
+                            continue;
+                        }
+
+                        $now = now();
+                        $addressId = DB::table('addresses')->insertGetId([
+                            'label' => 'Ubicación del evento',
+                            'address_text' => $event->location,
+                            'latitude' => $coordinates === null ? null : $coordinates['latitude'],
+                            'longitude' => $coordinates === null ? null : $coordinates['longitude'],
+                            'created_at' => $now,
+                            'updated_at' => $now,
+                        ]);
+
+                        // Update only the new link, preserving the original fields and timestamps.
+                        DB::table('events')->where('id', $event->id)->update(['address_id' => $addressId]);
+                    }
+                });
+        });
+    }
+
+    public function down(): void
+    {
+        // Copies may already have been edited or shared; keep them and the legacy data.
+    }
+};
diff --git a/tests/Feature/Migrations/EventAddressesTest.php b/tests/Feature/Migrations/EventAddressesTest.php
new file mode 100644
index 00000000..9a7ff335
--- /dev/null
+++ b/tests/Feature/Migrations/EventAddressesTest.php
@@ -0,0 +1,203 @@
+<?php
+
+namespace Tests\Feature\Migrations;
+
+use App\Domains\Core\Address\Models\Address;
+use App\Domains\Ticketing\Event\Models\Event;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\QueryException;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use PHPUnit\Framework\Attributes\DataProvider;
+use RuntimeException;
+use Tests\TestCase;
+
+class EventAddressesTest extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        Schema::create('tenants', function (Blueprint $table): void {
+            $table->id();
+            $table->string('codigo')->unique();
+        });
+        Schema::create('events', function (Blueprint $table): void {
+            $table->id();
+            $table->string('tenant_code');
+            $table->string('title');
+            $table->string('location')->nullable();
+            $table->json('exact_location')->nullable();
+            $table->timestamps();
+        });
+        $addresses = require database_path('migrations/2026_09_30_000000_create_addresses_and_tenant_addresses_tables.php');
+        $addresses->up();
+        $this->schemaMigration()->up();
+    }
+
+    public function test_it_copies_event_locations_and_coordinates_and_preserves_legacy_data(): void
+    {
+        $precise = $this->event('Predio de Doma', ['latitude' => -32.9431184, 'longitude' => -60.6437991]);
+        $noMap = $this->event('Salón Luz y Fuerza');
+        $zero = $this->event('Punto cero', ['latitude' => 0, 'longitude' => 0]);
+        $missing = $this->event(null);
+        $blank = $this->event('   ');
+        $before = DB::table('events')->orderBy('id')->get()->map(fn (object $event): array => [
+            'id' => $event->id,
+            'tenant_code' => $event->tenant_code,
+            'title' => $event->title,
+            'location' => $event->location,
+            'exact_location' => $event->exact_location,
+            'created_at' => $event->created_at,
+            'updated_at' => $event->updated_at,
+        ])->all();
+
+        $migration = $this->dataMigration();
+        $migration->up();
+        $migration->up();
+
+        $this->assertDatabaseCount('addresses', 3);
+        $this->assertDatabaseCount('tenant_addresses', 0);
+        $event = Event::findOrFail($precise);
+        $this->assertSame('Ubicación del evento', $event->address->label);
+        $this->assertSame('Predio de Doma', $event->address->address_text);
+        $this->assertSame('-32.9431184', $event->address->latitude);
+        $this->assertSame('-60.6437991', $event->address->longitude);
+        $this->assertNull(Event::findOrFail($noMap)->address->latitude);
+        $this->assertNull(Event::findOrFail($noMap)->address->longitude);
+        $this->assertSame('0.0000000', Event::findOrFail($zero)->address->latitude);
+        $this->assertSame('0.0000000', Event::findOrFail($zero)->address->longitude);
+        $this->assertNull(Event::findOrFail($missing)->address);
+        $this->assertNull(Event::findOrFail($blank)->address_id);
+        foreach ($before as $original) {
+            $this->assertDatabaseHas('events', $original);
+        }
+
+        $migration->down();
+        $this->assertDatabaseCount('addresses', 3);
+        $this->assertSame($event->address_id, Event::findOrFail($precise)->address_id);
+    }
+
+    public function test_it_keeps_existing_links_and_creates_independent_copies_for_unlinked_events(): void
+    {
+        $original = Address::create(['label' => 'Existente', 'address_text' => 'Lugar elegido']);
+        $linked = $this->event('Texto anterior');
+        DB::table('events')->where('id', $linked)->update(['address_id' => $original->id]);
+        $first = $this->event('Mismo predio');
+        $second = $this->event('Mismo predio');
+
+        $this->dataMigration()->up();
+
+        $this->assertDatabaseCount('addresses', 3);
+        $this->assertSame($original->id, Event::findOrFail($linked)->address_id);
+        $this->assertNotSame(Event::findOrFail($first)->address_id, Event::findOrFail($second)->address_id);
+        $this->assertSame('Lugar elegido', $original->fresh()->address_text);
+    }
+
+    public function test_multiple_events_can_share_one_address_through_the_model_relations(): void
+    {
+        $address = Address::create(['label' => 'Teatro', 'address_text' => 'San Martín 123']);
+        $first = Event::findOrFail($this->event('Texto original'));
+        $first->address()->associate($address);
+        $first->save();
+        $second = Event::findOrFail($this->event('Otro evento'));
+        $second->fill(['address_id' => (string) $address->id])->save();
+
+        $this->assertSame($address->id, $first->fresh()->address->id);
+        $this->assertSame($address->id, $second->fresh()->address_id);
+        $this->assertSame([$first->id, $second->id], $address->events()->orderBy('id')->pluck('id')->all());
+        $loaded = Event::with('address')->orderBy('id')->get();
+        $this->assertSame($address->id, $loaded->last()->address->id);
+
+        $first->delete();
+        $this->assertDatabaseCount('addresses', 1);
+        $address->delete();
+        $this->assertDatabaseHas('events', ['id' => $second->id, 'address_id' => null, 'location' => 'Otro evento']);
+    }
+
+    public function test_the_foreign_key_rejects_an_unknown_address(): void
+    {
+        $event = Event::findOrFail($this->event('Predio'));
+
+        $this->expectException(QueryException::class);
+        $event->update(['address_id' => 9999]);
+    }
+
+    #[DataProvider('invalidCoordinates')]
+    public function test_invalid_coordinates_roll_back_all_copies(string $coordinates): void
+    {
+        $valid = $this->event('Primero', ['latitude' => -32, 'longitude' => -60]);
+        $invalid = $this->event('Segundo');
+        DB::table('events')->where('id', $invalid)->update(['exact_location' => $coordinates]);
+
+        try {
+            $this->dataMigration()->up();
+            $this->fail('Invalid coordinates must stop the migration.');
+        } catch (\JsonException|RuntimeException) {
+            $this->assertDatabaseCount('addresses', 0);
+            $this->assertNull(Event::findOrFail($valid)->address_id);
+            $this->assertNull(Event::findOrFail($invalid)->address_id);
+            $this->assertSame($coordinates, DB::table('events')->where('id', $invalid)->value('exact_location'));
+        }
+    }
+
+    public static function invalidCoordinates(): array
+    {
+        return [
+            'latitude out of range' => ['{"latitude":-91,"longitude":-60}'],
+            'longitude out of range' => ['{"latitude":-32,"longitude":181}'],
+            'missing longitude' => ['{"latitude":-32}'],
+            'nonnumeric latitude' => ['{"latitude":"unknown","longitude":-60}'],
+            'invalid JSON' => ['not-json'],
+        ];
+    }
+
+    public function test_coordinates_without_address_text_stop_the_copy_instead_of_losing_data(): void
+    {
+        $id = $this->event(null, ['latitude' => -32, 'longitude' => -60]);
+
+        try {
+            $this->dataMigration()->up();
+            $this->fail('Coordinates without address text require correction.');
+        } catch (RuntimeException $exception) {
+            $this->assertStringContainsString("Missing address text for event {$id}", $exception->getMessage());
+            $this->assertDatabaseCount('addresses', 0);
+            $this->assertNull(Event::findOrFail($id)->address_id);
+        }
+    }
+
+    public function test_schema_rollback_preserves_events_legacy_fields_and_copied_addresses(): void
+    {
+        $id = $this->event('Predio', ['latitude' => -32, 'longitude' => -60]);
+        $this->dataMigration()->up();
+        $this->schemaMigration()->down();
+
+        $this->assertFalse(Schema::hasColumn('events', 'address_id'));
+        $this->assertDatabaseHas('events', ['id' => $id, 'location' => 'Predio']);
+        $this->assertDatabaseCount('addresses', 1);
+        $this->assertTrue(Schema::hasColumn('events', 'exact_location'));
+    }
+
+    private function event(?string $location, ?array $coordinates = null): int
+    {
+        return DB::table('events')->insertGetId([
+            'tenant_code' => 'alpha',
+            'title' => 'Evento',
+            'location' => $location,
+            'exact_location' => $coordinates === null ? null : json_encode($coordinates, JSON_THROW_ON_ERROR),
+            'created_at' => '2026-09-01 12:00:00',
+            'updated_at' => '2026-09-02 12:00:00',
+        ]);
+    }
+
+    private function schemaMigration(): Migration
+    {
+        return require database_path('migrations/2026_09_30_000200_add_address_id_to_events.php');
+    }
+
+    private function dataMigration(): Migration
+    {
+        return require database_path('migrations/2026_09_30_000300_copy_event_locations_to_addresses.php');
+    }
+}