Røros is a town and municipality in Sør-Trøndelag county, Norway. It is part of the Gauldalen region. The administrative centre of the municipality is the town of Røros. Other villages include Brekken, Glåmos, Feragen, Galåa, and Hitterdalen. The mining town of Røros is sometimes called Bergstaden which means “the mining town” due to its historical notoriety for copper mining. It is one of two towns in Norway that were historically designated “mining towns”, along with the “silver-town” of Kongsberg.
The modern-day inhabitants of Røros still work and live in the characteristic 17th and 18th century buildings which have led to its designation as a UNESCO World Heritage Site in 1980. Røros has about 80 wooden houses, most of them standing around courtyards. Many retain their dark pitch-log facades, giving the town a medieval appearance. The 3.47-square-kilometre (1.34 sq mi) town of Røros has a population (2009) of 3,640. The population density of 1,049 inhabitants per square kilometre (2,720 /sq mi). The town is the administrative center of the municipality of Røros. There are also two churches in the town: Røros Church and Røros Chapel.
The town is named after the old Røros farm (“Røraas” around 1530), since the town was built on its ground. The first element is the river name Røa and the last element is os meaning “mouth of a river” (the small river Røa runs into the great river Glåma here). The meaning of the river name Røa is unknown. There is no available interpretation of the Southern Sami name, Plassje. The town is served by the railway line Rørosbanen at Røros Station and Røros Airport both have a scheduled service to Oslo. The Rv30 road connects south to Tynset and northwest down the Gaula valley towards Trondheim. There is also the RV705 road going north to Selbu and Stjørdal, and the road Rv31 going east to Sweden.