There is one UNESCO World Heritage Site in San Marino: the San Marino Historic Centre and Mount Titano.
- San Marino Historic Centre and Mount Titano (2008)
The San Marino Historic Centre is part of the UNESCO World Heritage Site in San Marino. It is also the capital city of San Marino. It is recognized for its cultural importance in San Marino. It served as a refuge for Christians during the time of Roman persecution and named as the oldest republic in Europe. Towers were built due to the Crusades and have become an iconic landmark in San Marino today.
The other half of the UNESCO World Heritage Site is Mount Titano. It is the highest peak of San Marino. The area recognized by UNESCO as a world heritage site includes the mountain peak, the fortification towers, bastions, gates, and walls. This site was inscribed on the list in 2008.