The municipality of Polanco lies in the province of Cantabria, in Cantabria: according to official INE figures for 1 January 2025 it is home to 6,304 people, over about 17.8 km².
Density, at about 354 inhabitants per km², is that of a populous urban area, with residential districts, services and businesses. Of the 22 municipalities in the province of Cantabria with at least 5,000 inhabitants, it is number 18 by population.
As the crow flies it lies about 17 km south-west of Santander, the provincial capital. The nearest major city is Bilbao, about 90 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Santander (19 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Polanco; all the municipalities in the province of Cantabria are listed on their own page.