The municipality of Hernani lies in the province of Gipuzkoa, in the Basque Country: according to official INE figures for 1 January 2025 it is home to 20,375 people, over about 40.8 km².
Density, at about 499 inhabitants per km², is that of a populous urban area, with residential districts, services and businesses. Of the 34 municipalities in the province of Gipuzkoa with at least 5,000 inhabitants, it is number 7 by population.
As the crow flies it lies about 8 km south-east of San Sebastián, the provincial capital. The nearest major city is Bilbao, about 80 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: San Sebastián (10 km), Film festival (10 km), Pintxos and food (10 km), Hondarribia (19 km).
Below you will find a map of neighbouring municipalities, the weather, places to stay in the area and a link to all the municipalities in the province of Gipuzkoa.