Balaguer is the capital of the comarca of Noguera, in the province of Lleida, Catalonia, Spain. It is located by the river Segre, a tributary to the Ebro. The municipality includes an exclave to the east. Balaguer also has a sister city in the western United States, Pacifica, California.

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.