The capital city of San Marino is San Marino City. Perched atop Mount Titano, the city is the oldest constitutional republic in the world, with a history that dates back to AD 301. Its picturesque landscape includes medieval architecture and narrow cobblestone streets. San Marino City is home to several important sites, including the Guaita and Cesta towers, which are part of the three towers that symbolize the city. Visitors often explore its rich history through various museums and governmental buildings. Despite its small size, San Marino City is a cultural and historical treasure that attracts visitors from around the world.