Krosno (in full The Royal Free City of Krosno, Polish: Królewskie Wolne Miasto Krosno) is a historical town and county in the Subcarpathian Voivodeship, in southeastern Poland. The estimated population of the town is 47,140 inhabitants as of 2014. The functional urban area of Krosno has a population of 115,000 inhabitants. Krosno is a medieval fortified town, a former Royal Free Town and centre of cloth, linen, canvas, baize and Hungarian wine trade. It is also notable for its glassmaking traditions, which became known as the Krosno Glassware. Until recently it was a provincial capital. The first mention of the town, which names Krosno appears in a document signed by High Duke of Poland Leszek II the Black in 1282. However, the oldest traces of settlement in the fork of the Wisłok and Lubatówka Rivers, found during archaeological research, date back to the 10th and 11th centuries. The area was inhabited by the old Polish tribe of Lendians.