Andorra is a country.
Andorra . It is known as a principality as it is a diarchy headed by two Co-Princes the Roman Catholic Bishop of Urgell in Spain , and the President of France . The Co-Princes of Andorra are jointly the head of state ( Cap de l'Estat ) of the Principality of Andorra , a landlocked microstate lying in the Pyrenees mountains between France and Spain .