Tvarditsa Municipality
# 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
