The municipality of Cartes lies in the province of Cantabria, in Cantabria: according to official INE figures for 1 January 2025 it is home to 5,874 people, over about 18.4 km².
Density, at about 319 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 19 by population.
As the crow flies it lies about 27 km south-west of Santander, the provincial capital. The nearest major city is Bilbao, about 95 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Santander (28 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Cartes; all the municipalities in the province of Cantabria are listed on their own page.