Trinidad and Tobago is divided into seven regions, five boroughs, two city corporations and one ward.

The following are the municipalities and regions created after the amendment of Act No.

8 of 1992:[1][2] The following regions were merged after the amendment of Act No.

On 20 October 1889 the British crown implemented a Royal Order in Council constituting Tobago as a ward of Trinidad, thus terminating local government on Tobago and formed a unified colony government.

In 1980 provisions were made for the Tobago House of Assembly to be revived as an entity providing local government in Tobago.