Barsedth is a district (srok) situated in the southern region of Cambodia's Kampong Speu Province. The administrative capital of the district is the town of Barsedth, which is located approximately 50 kilometres south of the provincial capital by road.
The district is characterized by flat farmland and supports a large population engaged in extensive agriculture. Geographically, it shares borders with Kampot and Takeo provinces to the south, while National Highway 3 serves as its eastern boundary.