Gavdeviči je selo u Smarhonski rajon, u Grodnenska oblast, Bjelorusija. Gavdeviči se nalazi na 165 m nadmorske visine. Najbliži veći grad je Smarhoń, 13,0 km istočno. Među znamenitostima u okolici su Kreva Castle (19,7 km), Church of Mother of God of the Rosary (4,3 km) i Basilian monastery in Baruny (18,5 km). Među prirodnim znamenitostima su Milidauskaya hara (20 km).
Znamenitosti u okolici
- Church of Mother of God of the Rosarykatolička crkva
- Church of Saints Apostles Peter and Paul, Župranykatolička crkva
- Orthodox church of the Resurrection, Ašmianyeastern Orthodox church building
- Synagogue in Ašmianysinagoga
- Basilian monastery in Barunykatolička crkva
- Kreva Castleutvrda
- Holy Trinity church in Hiermaniškicrkva
- Mosque in Daŭbučkidžamija