Tuscany (in Italian "Toscana" ) is a region in the center of Italy. It has an area of 22,990 km² and a population of about 3.6 million people (in 2004). The capital is Florence. Tuscany is known for its landscapes and its artistic legacy. Six Tuscan localities have been made UNESCO protected sites: the historical center of Florence (1982), the historical center of Siena (1995), the square of the Cathedral of Pisa (1987), the historical center of San Gimignano (1990), the historical center of Pienza (1996) and the Val d'Orcia (2004).