Mataró is the capital and largest town of the Maresme county in Catalonia (Spain). It is located on the Maresme coast, to the south of Costa Brava, between Cabrera de Mar and Sant Andreu de Llavaneres, 30 kilometres north-east of Barcelona. As of 2021, it had a population of c. 129,749 inhabitants.

Maresme is a comarca (county) in the Barcelona region in Catalonia, located along the Mediterranean coast, between the comarques of Barcelonès and Selva, and also bordering with Vallès Oriental.