The Province of Lleida is one of the four provinces of Catalonia. It lies in northeastern Spain, in the western part of the autonomous community of Catalonia, and is bordered by the provinces of Girona, Barcelona, Tarragona, Zaragoza and Huesca and the country of France and the principality of Andorra. It is often popularly referred to as Ponent.

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. Its area is 7,726 km2 (2,983 sq mi). 5,743,402 people live in the province, of whom about 29% (1,664,182) live within the administrative limits of the city of Barcelona, which itself is contained in the Barcelona metropolitan area.