Which is the Smallest Country in the World: Country : Vatican City Capital :Vatican City Location :Rome, Italy Official Language :Italian , Latin Total Area :0.44 km2 Population :836 Currency :Euro Dialing Code :+379 This is the smallest but a strong country situated in the world in accordance to its area and population. It has no single street address because of its small area. It came into existence in 1929 as an independent state in the world by theLateran Treaty. A thing which creates uniqueness in the smallest countries is that there are not permanent citizens. only those persons are concerned as citizens who work for the country, citizenship of a person is sustained up till he work. whenever someone stops its work its citizenship is terminated. It also own Military for its defense which is the oldest army of the world named Swiss Guard, also It has a very good economy.