Andorra , officially the Principality of Andorra , is one of the smallest states in Europe. At 180 square miles (468 sq. km.), it is about half the size of New York City. A small independent coprincipality of Spain and France, it is located on the south slopes of the Pyrenees Mountains. Once isolated, it is a prosperous country mainly because of tourism and its status as a tax haven. Andorra was created by Charlemagne to serve as a buffer state in order to keep the Muslim Moors from advancing ... Andorra Tourism: Tripadvisor has 179,379 reviews of Andorra Hotels, Attractions, and Restaurants making it your best Andorra resource. Provides an overview of Andorra , including key dates and facts about this European country. All the details can be found on the official Andorra Tourism website, where we also offer practical information about tourist establishments and pre-trip procedures.