Wikipedia
Cerdanya (, , , ), often la Cerdanya, is a natural comarca and historical region of the eastern Pyrenees divided between France and Spain. Historically it was one of the counties of Catalonia.
Cerdanya has a land area of , divided almost evenly between Spain (50.3%) and France (49.7%). In 2001 its population was approximately 26,500, of whom 53% lived on Spanish territory. Its population density of 24 residents per km² (63 per sq. mile) is one of the lowest in Western Europe. The only urban area in Cerdanya is the cross-border urban area of Puigcerdà- Bourg-Madame, which contained 10,900 inhabitants in 2001.
The area enjoys a high annual amount of sunshine – around 3,000 hours per year. For this reason, pioneering large-scale solar power projects have been built in several locations in French Cerdagne, including Font-Romeu-Odeillo-Via, the Themis plant near Targassonne, and Mont-Louis Solar Furnace in Mont-Louis.
Cerdanya (; ) is a comarca in northern Catalonia, north-eastern Spain, in the Pyrenees, on the border of Catalonia with France and Andorra. Within Catalonia. Cerdanya is divided between Catalan provinces of Lleida and Girona. Cerdanya's neighbouring comarques are Alt Urgell, Berguedà, and Ripollès.
Cerdanya is in the "vegueria" of Alt Pirineu (or Alto Pirineo), according to "Vegueries of Catalonia law".
The area is sometimes called Baixa Cerdanya (literally "Lower Cerdanya") to distinguish it from Alta Cerdanya ("Upper Cerdanya") which was ceded to France by the Treaty of the Pyrenees in 1659.
Can be distinguished the "subcomarques" of la Batllia or petita Cerdanya, and el Baridà.
Llívia in Cerdanya is a Spanish exclave, completely surrounded by French territory.