Colle di Val d'Elsa or Colle Val d'Elsa is a town and comune in the province of Siena, Tuscany.
It has a population of c. 21,600 As of June 2017. Its name means "Hill of Elsa Valley", where Elsa is the name of the river which crosses it and Valdelsa the name of the valley.
Today, Colle di Val d'Elsa is internationally renowned for the production of crystal glassware and art, largely produced in the industrial lower town.
Wikipedia https://en.wikipedia.org/wiki/Colle_di_Val_d'Elsa
Coordinates 43°25'21.524" N 11°7'35.018" E
