CIA World Factbook: San Marino
General country information including geography, population, economy, military and statistics.

San Marino Site
Offers information on tourism, business, shopping, and attractions. Some sections in English.

Useful Info and Links on San Marino
A lot of resources about San Marino.

Windows on Italy: San Marino
General country information including population and economic resources.

Republic of San Marino
History, economy, cartography, museum, government of Republic of San Marino.