San Sebastián Postal Codes, Guipúzcoa, País Vasco Spain

Postal codes for San Sebastián range from 20001 to 20180 in País Vasco, Guipúzcoa, Spain. To find exact ZIP codes and postcodes within San Sebastián, choose from the municipalities listed below.

Municipalities in San Sebastián

San Sebastián on the Map

The map above highlights the geographic boundaries of the San Sebastián regions in Spain. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About San Sebastián

Key Facts

San Sebastián, officially known as Donostia in Basque, is a coastal city and municipality located in the province of Guipúzcoa within the Basque Country autonomous community of northern Spain. Situated on the Bay of Biscay near the French border, this picturesque city occupies a strategic position along Spain's northern coastline, approximately 20 kilometers from the international frontier. With a population of around 188,000 residents, San Sebastián covers an area of approximately 60.89 square kilometers, featuring a distinctive urban layout that includes the iconic La Concha Bay, the Urgull and Igueldo mountains, and the Urumea River flowing through the city center. The municipality is divided into several distinct neighborhoods and districts, including the historic Old Town (Parte Vieja), the elegant Centro district, and the more modern areas of Gros, Egia, and Amara. As the capital of Guipúzcoa province, San Sebastián serves as an important administrative, cultural, and economic hub for the region, renowned worldwide for its exceptional culinary scene, beautiful beaches, and prestigious international film festival. Visitors can access detailed postal code information for all of San Sebastián's neighborhoods and districts through our comprehensive location database.

Neighboring Regions

* Hernani

* Oyarzun

* Usurbil

* Lasarte-Oria

* Astigarraga

* Lezo

* Pasaia