Lages is a Brazilian municipality located in the central part of the state of Santa Catarina, in the region known in Portuguese as "Planalto Serra…Lages is a Brazilian municipality located in the central part of the state of Santa Catarina, in the region known in Portuguese as "Planalto Serrano". It is located in the mountain region of and is also the largest municipality of Santa Catarina. It is the main city of this region, and borders the towns of Otacílio Costa, São Joaquim, and Correia Pinto. The main course of urban water is Carahá River.