Tsar Kaloyan Municipality
Tsar Kaloyan Municipality is a small municipality in Razgrad Province, Northeastern Bulgaria, located in the Danubian Plain about 27 km southeast of Danube river. It is named after its administrative centre - the town of Tsar Kaloyan.
The municipality embraces a territory of with a population of 6,314 inhabitants, as of December 2009.
The main road E70 crosses the area, connecting the province centre of Razgrad with the city of Ruse and respectively the Danube Bridge with the eastern operating part of Hemus motorway.
Settlements
Tsar Kaloyan Municipality includes the following 3 places :| Town/Village | Cyrillic | Population |
| Tsar Kaloyan | Цар Калоян | 3,856 |
| Ezerche | Езерче | 1,975 |
| Kostandenets | Костанденец | 483 |
| Total | 6,314 |