Umbria is a region of historic and modern central Italy. It is the only Italian region having neither a coastline nor a border with other countries. It includes the Lake Trasimeno, Marmore's Falls, and is crossed by the River Tiber. The regional capital is Perugia. Umbria is known for its landscapes, traditions, history, culinary delights, artistic legacy, and influence on culture. The region is characterized by hills, mountains, valleys and historical towns such as Perugia (known as an important university centre), Assisi (a World Heritage Site associated with St. Francis of Assisi), Gubbio, Spoleto, Orvieto and Todi.