In
international law, a
condominium is a territory in which two soverign powers have equal rights. Although a condominium has always been recognized as a theoretical possibility, condominiums have been rare in practice. Vanuatu was once a French-British condominium, and under French law Andorra was once considered to be a French-Spanish condominium, although it is more commonly classed as a co-principality
?. The biggest difficulty with condominiums is solving disputes between the two soverign powers, and ensuring co-operation between them; which is one reason why so few have existed in practice.