Caldes de Montbui, in Catalonia, is part of the province of Barcelona. The municipality covers about 37.6 km² and had 18,567 inhabitants on 1 January 2025.
Density, at about 494 inhabitants per km², is that of a populous urban area, with residential districts, services and businesses. Of the 134 municipalities in the province of Barcelona with at least 5,000 inhabitants, it is number 55 by population.
As the crow flies it lies about 27 km north of Barcelona, the provincial capital. The nearest major city is Barcelona, about 30 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Sabadell (12 km), Terrassa (15 km), Festivals and events (27 km), Lifestyle (27 km), 10 things to see (27 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 Barcelona.