In a stunning location on the slopes of Mt Titano, this very old republic is one of the smallest states in the world (61km²). San Marino, which was officially founded in the 4C, mints coins, issues stamps, has its own army corps and police force. Nowadays its economy centres on tourism, trade, philately, crafts and agriculture. Take the rampart walk of the citadels to enjoy magnificent views over the Apennines, the plain, Rimini and the sea as far as the Dalmatian coast.