| Opaka Municipality | |
| Settlement Type: | Municipality |
| Pushpin Map: | Bulgaria |
| Pushpin Map Caption: | Location of Opaka Municipality in Bulgaria |
| Coordinates: | 43.45°N 26.1667°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Targovishte Province |
| Seat Type: | Capital |
| Seat: | Opaka |
| Unit Pref: | Metric |
| Area Total Km2: | 157 |
| Elevation M: | 247 |
| Population Total: | 6,664 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 7840 |
| Area Code Type: | Area code |
| Area Code: | 06039 |
Opaka Municipality (Bulgarian: Община Котел) is a municipality in the Targovishte Province of Bulgaria.
At the 2011 census, the population of Opaka was 6,664. Most of the inhabitants were Turks (57.89%), with a minority of Bulgarians (21.5%).[1] [2] 20.46% of the population's ethnicity was unknown.
In addition to the capital town of Opaka, there are 5 villages in the municipality: