What is "calci"

Calci is a comune (municipality) in the Province of Pisa in the Italian region Tuscany, located about west of Florence and about east of Pisa. The main settlement is the frazione of La Pieve, while the rest of the population is distributed between other hamlets.

Its main attraction is Pisa Charterhouse, also known as Calci Charterhouse (Certosa di Pisa or di Calci), which houses a natural history museum of the University of Pisa.