Galna

India

Gambhirgad

India

Gambolò

Italy

Gamleborg

Denmark

Gamlehaugen

Norway

Gammel Avernæs slot

Denmark

Gammel Estrup Manor

Denmark

Gammel Vraa Castle

Denmark

Gamzigrad

Serbia

Preserved ruins(UNESCO World Heritage Site)

Gandaulim Fort

India

Gandhari khilla

India

Gandikota Fort

India

Ganj Ali Khan castle

Iran

Ganja Fortress

Azerbaijan

Garakopaktapa

Azerbaijan

Garchuk Lachit Garh

India

Gardiki Castle

Greece

Byzantine/Venetian period

Garh Doul

India

Garh Palace, Jhalawar

India

Garni Temple

Armenia

Museum (part of a larger protected area),occasional neopagan (Hetanist) shrine

Gassantoda Castle

Japan

Gasterbos Castle

Belgium

Gastria CastleΚάστρο Γαστριών / Gastria Kalesi

Cyprus

12th century

Gate of Trajan castle

Bulgaria

Gaujiena Castle

Latvia

Ruins

Gaur bati

India

Gaurav Fort

India

Gaver Castle

Belgium

Gavi

Italy

Gavnø Castle

Denmark

Gavorrano

Italy

Gavur Castle

Azerbaijan

Gawilghur

India

Gazzola

Italy

Gdov Kremlin

Russia

Geaca

Romania