Kotel MunicipalityKotel Municipality is a municipality in the Sliven Province of Bulgaria.DemographyAt the 2011 census, the population of Kotel was 19,391. Most of the inhabitants were either Bulgarians, Turks, or Gypsies/Romani. 8.14% of the population's ethnicity was unknown.VillagesIn addition to the capital town of Kotel, there are 21 villages in the municipality: Borintsi Bratan Gradets Dubova Zheravna Katunishte Kipilovo Malko Selo Medven Mokren Neykovo Oplovo Ostra Moguila Pudarevo Sedlarevo Sokolartsi Strelsti Ticha Topuzevo Filaretovo Yablanovo