Castra is a rural locality in the local government area (LGA) of Central Coast in the North-west and west LGA region of Tasmania.

The locality is about 19 kilometres (12 mi) south of the town of Ulverstone.

The 2021 census recorded a population of 41 for Castra.

[3] Route C124 (Central Castra Road) passes through from north to south.

This Tasmania geography article is a stub.