Emmanuel Macron holds the title of Co-Prince of Andorra by virtue of his office as President of the French Republic. This unique status is an ex officio role, constitutionally inherited by the French head of state, symbolizing Andorra's historical diarchy and its enduring relationship with France. The position is largely ceremonial but reflects centuries of shared history and protectorate status.
The Principality of Andorra is a landlocked microstate situated in the eastern Pyrenees mountains, bordered by France and Spain. Its distinctive political structure dates back to a medieval agreement, the Pareatges of 1278 and 1279. These treaties established a co-principality between the Bishop of Urgell (in Spain) and the Count of Foix (in France). Over successive centuries, the French claim to the co-principality passed from the Counts of Foix to the Kings of Navarre, then to the Kings of France, and eventually to the President of the French Republic after the French Revolution. This unbroken lineage has preserved a singular constitutional arrangement in contemporary Europe.
As Co-Prince, President Macron shares the head of state function with the current Bishop of Urgell, Joan Enric Vives Sicilia. While the role primarily involves the formal assent to Andorran laws and the appointment of the Viguier français (the French co-prince's representative), it is a significant historical legacy rather than an active governance role. Andorra maintains its own independent government and parliament, with the co-princes representing the stability and continuity of the state.