The drainage basin of the Usvyacha includes the center and the southeast of Usvyachsky District, the southwest of Kunyinsky District, the northwest of Velizhsky District of Smolensk Oblast, as well as the northwest of Vitebsk Raion.
Südoststeiermark District | district | Eichsfeld (district) | Darjeeling district | Hartberg (district) | Bad Kreuznach (district) | Lake District | school district | Hildesheim (district) | District of Columbia | United States District Court for the Southern District of New York | historic district | Reutte (district) | Peak District | Leibnitz (district) | Perg (district) | electoral district | District | central business district | Neuwied (district) | Murau (district) | Bludenz (district) | Chittoor District | Zwettl (district) | electoral district (Canada) | United States Court of Appeals for the District of Columbia Circuit | South Carolina's 3rd congressional district | Federal District (Brazil) | The District | Ahmednagar district |