Hernani Postal Codes: 20115 to 20128 | San Sebastián, Guipúzcoa, País Vasco

Key Facts

Hernani is a municipality located in the province of Guipúzcoa, within the autonomous community of the Basque Country in northern Spain. Situated approximately 8 kilometers south of the provincial capital, San Sebastián, Hernani lies in the Oria River valley, nestled between the surrounding hills that characterize this part of the Basque interior. With an area of about 40 square kilometers, the municipality has a population of around 20,000 residents. Hernani is administratively divided into several neighborhoods and districts, including the historic town center and more modern residential areas that have developed along the river and transportation corridors. Historically an industrial town known for paper manufacturing and metalworking, Hernani has maintained its economic base while also developing commercial and service sectors. The municipality preserves significant cultural heritage, including the Church of San Juan Bautista with its distinctive Baroque portico and the remains of medieval defensive walls. For those seeking detailed local information, postal code data for Hernani's various neighborhoods and districts is readily accessible through regional administrative resources.

Neighboring Regions

• San Sebastián
• Urnieta
• Astigarraga
• Rentería
• Lasarte-Oria
• Andoain