Sitnica je selo u Luniniecki rajon, u Brestska oblast, Bjelorusija. Sitnica se nalazi na 128 m nadmorske visine. Broj stanovnika je 340. Najbliži veći grad je Luniniec, 38 km zapadno. Među znamenitostima u okolici su Church of the Nativity of Saint John the Baptist in Mikaševičy (7,5 km), Davyd-Haradok Castle (18,9 km) i Saint George Orthodox church in Davyd-Haradok (18,4 km).
Piše se i Сітніца.
Znamenitosti u okolici
- Church of the Nativity of Saint John the Baptist in Mikaševičykatolička crkva
- Church of the Nativity of Our Lady in Lachvaeastern Orthodox church building
- Saint George Orthodox church in Davyd-Haradokeastern Orthodox church building
- Davyd-Haradok Castleutvrda
- Church of the Holy Mother of Kazan in Davyd-Haradokeastern Orthodox church building