Eloyi Berd Fortress

Armenia

Eremyten Hof

Belgium

Erode Fort

India

Esfandaqeh castle

Iran

Eshgaft-e Moneh castle

Iran

Eshkanan castle

Iran

Espidezh castle

Iran

Estanavand Naruheh castle

Iran

Evla Fortress

North Macedonia

Faizabad castle

Iran

Falis castle

Iran

Fatehabad Fort

India

Fatuyeh castle

Iran

Fazlagić Tower

Bosnia and Herzegovina

Fehérkő Castle (Katona Castle, Kupa Castle)

Hungary

Felsődobszai Forthill

Hungary

Felsőméra Forthill

Hungary

Felsőnyék Castle

Hungary

Felsővadászi Forthill

Hungary

Fifteen forts:

Ghana

First castle in Nerkin Sasnashen

Armenia

First castle in Uyts

Armenia

First castle, Ashnak

Armenia

First castle, Garnarich

Armenia

Fjøsanger Mansion

Norway

Fort Ruychaver

Ghana

Fort de Modorra

Portugal

Fortress of Outeiro

Portugal

Fortress of Populonia

Italy

Fossum Manor

Norway

Four forts partially in ruins

Ghana

Four forts partially in ruins:

Ghana

Four forts partially in ruins:

Ghana

Fred Sowden House

Canada

Frekhaug Manor

Norway

Fresjeborgen

Norway

Destroyed