Tvrdošín is a town in central Slovakia.

The Žilina Region is one of the eight Slovak administrative regions and consists of 11 districts (okresy) and 315 municipalities, from which 18 have a town status. The region was established in 1923, however, in its present borders exists from 1996. It is a more industrial region with several large towns. Žilina is the region administrative center and there is a strong cultural environment in Martin.