Map showing the electoral division of Derwent, as of the 2017 periodic review.

It is situated in the central south of the state.

The total area of the division is 12,184 square kilometres (4,704 sq mi).

As of 31 January 2019, there were 25,637 enrolled voters in the division.

The division is named after the Derwent River and includes the Central Highlands and Derwent Valley local government areas, as well as some outer Hobart suburbs such as Bridgewater, Chigwell, Claremont, and towns such as Bothwell, Hamilton, Maydena, New Norfolk, and Westerway.