Durango is a town and municipality of the historical territory and province of Biscay, located in the Basque Country, Spain. It is the main town of Durangaldea, one of the comarcas of Biscay. Because of its economical activities and population, Durango is considered one of the largest towns in Biscay after the ones that compose the conurbation of Greater Bilbao.

Durango, officially named Estado Libre y Soberano de Durango, is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in the northwest portion of the country. With a population of 1,832,650, the 8th lowest of Mexico's states, Durango has Mexico's second-lowest population density, after Baja California Sur. The capital city, Victoria de Durango, is named after the first President of Mexico, Guadalupe Victoria.