Potašnja е село во Mijorski rajon, во Витепска област, Белорусија. Potašnja се наоѓа на 121 m надморска височина. Најблискиот голем град е Наваполацк, на 59 km источно. Меѓу знаменитостите во околината се Church of the Assumption of the Virgin Mary in Piedruja (17,7 km), Indrica Roman Catholic church (27 km) и Church of the Holy Trinity in Liavonpaĺ (6,8 km).
Знаменитости во околината
- Church of the Holy Trinity in Liavonpaĺправославна црква
- Memorial pillar in honor of adoption of the Constitution of 3 May 1791споменик
- Church of the Immaculate Conception of Blessed Virgin Mary in Idoltacatholic church building
- Church of the Assumption of the Blessed Virgin Mary in Miorycatholic church building
- Church of the Holy Trinity in Drujacatholic church building
- Synagogue in Drujaсинагога
- Church of the Assumption of the Virgin Mary in Piedrujaцрква
- Indrica Roman Catholic churchцрква