Barcelona is a province of eastern Spain, in the center of the autonomous community of Catalonia. The province is bordered by the provinces of Tarragona, Lleida, and Girona, and by the Mediterranean Sea. 5,526,536 people live in the province (2011), of whom 1,621,537 live in the municipality of Barcelona. Its area is 7,733 km²
The capital of the province is the city of Barcelona, and the provincial council is based in the Casa Serra on the Rambla de Catalunya in that city. Some other cities and towns in Barcelona province include L'Hospitalet de Llobregat, Badalona, Cerdanyola del Vallès, Martorell, Mataró, Granollers, Sabadell, Terrassa, Sitges, Igualada, Vic, Manresa, Berga. See also List of municipalities in Barcelona.
Since the division by provinces in Spain and the division by comarques in Catalonia do not completely agree, the term comarques of the province of Barcelona would not be entirely correct. However, a list of the comarques that are included—totally or partially—in the province of Barcelona can be made: