diff --git a/apps/frontend/app/[locale]/dashboard/admin/organizations/page.tsx b/apps/frontend/app/[locale]/dashboard/admin/organizations/page.tsx
index 4443ff4..0773b97 100644
--- a/apps/frontend/app/[locale]/dashboard/admin/organizations/page.tsx
+++ b/apps/frontend/app/[locale]/dashboard/admin/organizations/page.tsx
@@ -101,13 +101,20 @@ export default function AdminOrganizationsPage() {
       const apiData = {
         name: formData.name,
         type: formData.type as any,
-        address_street: formData.address.street,
-        address_city: formData.address.city,
-        address_postal_code: formData.address.postalCode,
-        address_country: formData.address.country,
+        address: {
+          street: formData.address.street,
+          city: formData.address.city,
+          postalCode: formData.address.postalCode,
+          country: formData.address.country,
+          ...(formData.address.state ? { state: formData.address.state } : {}),
+        },
         contact_email: formData.contact_email || undefined,
         contact_phone: formData.contact_phone || undefined,
         logo_url: formData.logoUrl || undefined,
+        ...(formData.siren ? { siren: formData.siren } : {}),
+        ...(formData.siret ? { siret: formData.siret } : {}),
+        ...(formData.eori ? { eori: formData.eori } : {}),
+        ...(formData.scac ? { scac: formData.scac } : {}),
       };
       await createOrganization(apiData);
       await fetchOrganizations();
diff --git a/apps/frontend/src/types/api.ts b/apps/frontend/src/types/api.ts
index 9fd3b94..7726daa 100644
--- a/apps/frontend/src/types/api.ts
+++ b/apps/frontend/src/types/api.ts
@@ -111,10 +111,17 @@ export type OrganizationType = 'FREIGHT_FORWARDER' | 'CARRIER' | 'SHIPPER';
 export interface CreateOrganizationRequest {
   name: string;
   type: OrganizationType;
-  address_street: string;
-  address_city: string;
-  address_postal_code: string;
-  address_country: string;
+  address: {
+    street: string;
+    city: string;
+    state?: string;
+    postalCode: string;
+    country: string;
+  };
+  siren?: string;
+  siret?: string;
+  eori?: string;
+  scac?: string;
   contact_email?: string;
   contact_phone?: string;
   logo_url?: string;