The municipality of Oñati lies in the province of Gipuzkoa, in the Basque Country: according to official INE figures for 1 January 2025 it is home to 11,480 people, over about 105.7 km².
With about 109 inhabitants per km², it combines a medium-sized town with residential districts, farmland and business areas. Of the 34 municipalities in the province of Gipuzkoa with at least 5,000 inhabitants, it is number 18 by population.
As the crow flies it lies about 47 km south-west of San Sebastián, the provincial capital. The nearest major city is Bilbao, about 50 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Vitoria-Gasteiz (28 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Oñati; all the municipalities in the province of Gipuzkoa are listed on their own page.