Andorra

Andorra, a tiny principality in the Pyrenees co-ruled by the French president and the Bishop of Urgell since 1278, has maintained its unusual constitutional arrangement for over 700 years. A modern economy based on tourism, duty-free shopping, and banking developed from pastoral origins. Using the euro since 2002, Andorra is one of the world's smallest and most stable nations.

• Existed: 1278 CE – present
• Type: Entity
• Government: Parliamentary Co-Principality
• Capital: Andorra la Vella