Tobago was previously divided into seven (7) parishes while under colonial rule.
- Saint Patrick
- Saint Andrew
- Saint David
- Saint George
- Saint Mary
- Saint John
- Saint Paul
In 1980 the Tobago House of Assembly replaced this system with twelve (12) local electorial districts and seats in the assembly.
- Bacolet/Mt. Saint George
- Goodwood/Belle Garden
- Bethe/Mt. Irvine
- Black Rock/Whim/Spring Garden
- Buccoo/Mt. Pleasant
- Canaan/Bon Accord
- Lambeau/Signal Hill
- Parlatuvier/L’Anse Fourmi/Speyside
- Plymouth/Golden Lane
- Providence/Mason Hall/Moriah
- Belle Garden East/Roxborough/Deleford
- Scarborough/Calder Hall
In 2021 an additional 3 seat were added making it 15 electorial districts.