Mostovsky district is located in the western part of the Grodno region within the boundaries of the Neman Lowland and occupies an area of 1.4 thousand sq. km. It borders with Zelvensky, Volkovysk, Grodno, Dyatlovsky, Shchuchinsky, Berestovitsky districts. Formed on January 15, 1940.
The Mostovsky district is located. The district includes 6 village councils, 154 settlements, home to 25.7 thousand people. The Neman rivers flow with the tributaries Shchara, Zelvyanka, Ros, Yelnya. 33% of the territory is under forest; entire tracts of forest have been preserved along the Neman River (part of the Neman Forests and Lipichanskaya Pushcha). Minerals: chalk, clay and loam, peat, sand and gravel material. The Lida-Mosty-Volkovysk and Grodno-Mosty railway lines, the Shchuchin-Mosty-Volkovysk, Mosty-Slonim, Mosty-Grodno highways pass through the district. The center of the district is the city of Mosty.