From the Wikipedia page 
Krosno [ˈkrɔsnɔ] (in full The Royal Free City of Krosno, Polish: Królewskie Wolne Miasto Krosno) is a town and county in Subcarpathian Voivodeship, Poland with 47,140 inhabitants (Metro: 115,617), as of 30 June 2014.
Krosno is a medieval fortified town, a former Royal Free Town, a centre of cloth, linen, canvas, baize and Hungarian wine trade. Until recently it was a provincial capital. Today it is a medium-sized settlement, which ranks 6th among Polish towns with the best living conditions.
Center of regional and subregional levels. The seat of several institutions of supra-local: Regional Directorate of State Forests, Subcarpathian Provincial Veterinary Inspectorate, the District Election Commission, the Court and the Prosecutor's Office of the District, the District Mining Office, Regional Centre Road, the Sub-Carpathian Regional Hospital, Subcarpathian Center for Teacher Education, the Customs Office, the Institute of Oil and gas and Sucha Góra TV Tower.