1. A historical region and former kingdom of northwest Spain. United first with Asturias (eighth-ninth century), it was conquered by Castile in 1037, became independent in 1157, and was rejoined with Castile in 1230.

2. A city of central Mexico east-northeast of Guadalajara. It was founded in the 1570s and today is a commercial and industrial center in a rich mining area.

3. A city of northwest Spain at the foot of the Cantabrian Mountains south-southeast of Oviedo. The capital of the medieval kingdom of León, it is now a popular tourist center.