Castile and León (English /kæˈstiːl ən leɪˈoʊn/; Spanish: Castilla y León [kasˈtiʎa i leˈon] ( listen); Leonese: Castiella y Llión [kasˈtjeʎa i ʎiˈoŋ]; Galician: Castela e León [kasˈtɛla e leˈoŋ]) is an autonomous community in north-western Spain. It was so constituted in 1983 and it comprises the historical regions of León and Old Castile (Spanish: Castilla la Vieja). It is the largest autonomous community in Spain, covering an area of 94,223 square kilometres (36,380 sq mi) with an official population of around 2.5 million (2005).