diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index b7febd1..220a715 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -91,7 +91,6 @@ model UserAddress {
     // Relaciones
     country    Country @relation(fields: [countryId], references: [id])
     countryId  String
-
-    user   User   @relation(fields: [userId], references: [id])
-    userId String @unique
+    user       User    @relation(fields: [userId], references: [id])
+    userId     String  @unique
 }
diff --git a/src/actions/address/set-user-address.ts b/src/actions/address/set-user-address.ts
new file mode 100644
index 0000000..4dbdbdc
--- /dev/null
+++ b/src/actions/address/set-user-address.ts
@@ -0,0 +1,52 @@
+'use server';
+
+import type { Address } from '@/interfaces/address.interface';
+import prisma from '@/lib/prisma';
+
+export const setUserAddress = async (address: Address, userId: string) => {
+	try {
+		const newAddress = await createOrReplaceAddress(address, userId);
+
+		return {
+			ok: true,
+			address: newAddress,
+			message: 'Dirección guardada',
+		};
+	} catch (error) {
+		console.log(error);
+		return {
+			ok: false,
+			message: 'Error al guardar la dirección',
+		};
+	}
+};
+
+const createOrReplaceAddress = async (address: Address, userId: string) => {
+	try {
+		const storedAddress = await prisma.userAddress.findFirst({ where: { userId } });
+		const { rememberAddress, country, address2 = '', ...data } = address;
+
+		const addressToSave = {
+			...data,
+			address2,
+			countryId: country,
+			userId,
+		};
+
+		if (!storedAddress) {
+			const newAddress = await prisma.userAddress.create({
+				data: addressToSave,
+			});
+			return newAddress;
+		}
+
+		const updatedAddress = await prisma.userAddress.update({
+			where: { id: storedAddress.id },
+			data: addressToSave,
+		});
+		return updatedAddress;
+	} catch (error) {
+		console.log(error);
+		throw new Error('Error al crear o reemplazar la dirección');
+	}
+};
diff --git a/src/interfaces/address.interface.ts b/src/interfaces/address.interface.ts
new file mode 100644
index 0000000..d581fc6
--- /dev/null
+++ b/src/interfaces/address.interface.ts
@@ -0,0 +1,11 @@
+export interface Address {
+	firstName: string;
+	lastName: string;
+	address: string;
+	address2?: string;
+	postalCode: string;
+	city: string;
+	country: string;
+	phone: string;
+	rememberAddress: boolean;
+}