The municipality of Lasarte-Oria lies in the province of Gipuzkoa, in the Basque Country: according to official INE figures for 1 January 2025 it is home to 19,435 people, over about 7.1 km².
With about 2,737 inhabitants per km², it is one of the most densely populated areas in the country, part of a large metropolitan area. Of the 34 municipalities in the province of Gipuzkoa with at least 5,000 inhabitants, it is number 9 by population.
As the crow flies it lies about 4 km south-west of San Sebastián, the provincial capital. The nearest major city is Bilbao, about 75 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: San Sebastián (7 km), Pintxos and food (7 km), Film festival (8 km), Hondarribia (21 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Lasarte-Oria; all the municipalities in the province of Gipuzkoa are listed on their own page.