title: Tvarditsa Municipality
text: # Tvarditsa Municipality
  
  Tvarditsa Municipality (Bulgarian: Община Твърдица) is a municipality in the Sliven Province of Bulgaria.
  
  ## Demography
  
  Ethnic composition of Sliven Municipality
  
  At the 2011 census, the population of Tvarditsa was 13,804. Most of the inhabitants were Bulgarians (67.79%) with a minority of Turks (9.32%) and Gypsies/Romani (15.21%). 7.07% of the population's ethnicity was unknown.
  
  ## Villages
  
  In addition to the capital town of Tvarditsa, there are 9 villages in the municipality:
  
  * Bliznets
  * Borov Dol
  * Byala Palanka
  * Zhult Briag
  * Orizari
  * Sborishte
  * Surtsevo
  * Chervenakovo
  * Shivachevo
  