Tvarditsa (Bulgarian: Твърдица) is a town in Sliven Province, Southeastern Bulgaria. It is the administrative centre of the homonymous Tvarditsa Municipality. As of December 2009, the town has a population of 5,669 inhabitants.
Tvarditsa is located on the southern slopes of Stara Planina. The area around is known as the Tvarditsa Coal Basin, the only place in the country where soft coal is mined.
Tvarditsa Rocks in the South Shetland Islands, Antarctica are named after Tvarditsa. The Bessarabian Bulgarian village of Tvardiţa in Taraclia District, Moldova, was founded by refugees from Tvardisa, who named it after their ancestral town.
Main square and city hall
The main road to the Balkan pass
Balkan mountains
Entrance to the Church of Saint Petka
Coordinates: 42°42′N 25°54′E / 42.7°N 25.9°E / 42.7; 25.9
Tvarditsa 2005
BGRallyHD:Rally Tvarditsa-Elena 2014
2015 tvarditsa- elena rally, second ambulance
Rally Tvarditsa 2014, SSS5 Elena
2015 tvarditsa- elena rally, todor slavov-petar iliev, SE5 start
Rally Tvarditsa 2014, SS 9
Rally Sprint Tvarditsa / Рали Спринт Твърдица 2015
Rally Tvarditsa-Elena 2013
Rally Tvarditsa-Elena 2014
Rally Tvarditsa - Elena 2015
Rally "TVARDITSA" 2012
Vali Porcisteanu @ Rally Tvarditsa 2014 by BGRallyHD
Vali Porcisteanu - Edi Sivov - Tvarditsa Rally 2014 - Superspecial onboard
GVasilev/StDobrev SS2 Chumerna Rally Tvarditsa-Elena 2014
Tvarditsa 2005
BGRallyHD:Rally Tvarditsa-Elena 2014
2015 tvarditsa- elena rally, second ambulance
Rally Tvarditsa 2014, SSS5 Elena
2015 tvarditsa- elena rally, todor slavov-petar iliev, SE5 start
Rally Tvarditsa 2014, SS 9
Rally Sprint Tvarditsa / Рали Спринт Твърдица 2015
Rally Tvarditsa-Elena 2013
Rally Tvarditsa-Elena 2014
Rally Tvarditsa - Elena 2015
Rally "TVARDITSA" 2012
Vali Porcisteanu @ Rally Tvarditsa 2014 by BGRallyHD
Vali Porcisteanu - Edi Sivov - Tvarditsa Rally 2014 - Superspecial onboard
GVasilev/StDobrev SS2 Chumerna Rally Tvarditsa-Elena 2014
Georgi Vasilev/Stefan Dobrev Rally Tvarditsa-Elena 2014
RACING EXTREME - Rally Tvarditsa 2012
Plamen Staykov Rally Tvarditsa - Elena 2014 - SS Detelinata
Vali Porcisteanu - Edi Sivov - Tvarditsa Rally 2014 - SS Chumerna onboard
Vali Porcisteanu - Edi Sivov - Tvarditsa Rally 2014 - SS Devina onboard
Vali Porcisteanu - Edi Sivov - Tvarditsa Rally 2014 - SS Predela onboard
M.Surilov - Z.Zdravkov Rally "Tvarditsa" 2013 SS4 "Buynovtsi" Onboard
M.Surilov - Z.Zdravkov Rally "Tvarditsa" 2013 SS5 "Elena-Tvarditsa" Onboard
Todor Slavov/ Petar Iliev - Rally Tvarditsa-Elena 2014
Integrated Baggin Systems (IBS)--a division of the US-Based Inteplast Group
Moldova Tourism
Retro Rali Rozova Dolina na Starozagorski bani
Vinurile Basarabiei
Inside a Netherlands NS Sprinter commuter train.
Tvardica Tvardica1 08