The Leaning Tower of Pisa is a cathedral bell tower that is part of a complex of buildings in the Piazza del Duomo in Pisa.

The building complex consists, besides the bell tower (campanile), of:

• Duomo - Santa Maria Assunta
• the Baptistery of San Giovanni
• the cemetery Camposanto Monumentale.

The tower, the Baptistery and the Cathedral are located in a large square covered with green grass called Piazza dei Miracoli - the Miracle Square.