Lages, formerly Lajens, 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 the state and is the largest municipality of it. 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.
Lages hosts an annual festival called Festa do Pinhão, that is famous throughout the country.
Economically, the city is known for its strong cattle breeding and wood processing factories.