..■■■”ConsularAffairs in the Principality of Andorra, Spain, since 1797.Visa Waiver Program and Visas for Andorran Citizens”.#Andorra is part of the online Visa Waiver Program /#ESTA/ enabling Andorran citizens to travel to the U.S. without visa.If an ESTA online authorization is denied, the Andorran citizen will be required to apply for a U.S. visitor visa.The U.S. Ambassador and Consular Officers to Spain (Madrid and Barcelona posts ) are accredited Foreign Service Officers to #Andorra. Rt@”The U.S. Consulate General Barcelona is responsible for a consular district composed of the Spanish regions of Catalonia, Aragon and the Principality of Andorra. Established in 1797, it is one of the oldest U.S. consulates in the world.”http://barcelona.usconsulate.gov/mobile/about-us.html