Lesko [ˈlɛskɔ] (or Lisko until 1926; Latin: Lescow, alias Olesco Lescovium; Yiddish: לינסק-Linsk) is a town in south-eastern Poland with a population of 5,755 (02.06.2009). situated in the Bieszczady mountains. It is located in the heartland of the Doły (Pits), and its average altitude is 390 metres (1,280 feet) above sea level, although there are some hills located within the confines of the city.