Kafar Qaleh, Esfarayen

Iran

Kafar Qaleh, Mehdishahr

Iran

Kagoshima Castle

Japan

Kahlur Fort

India

Kahramanmaraş Castle

Turkey

Kaithal Fort

India

Kajaani Castle

Finland

Mostly ruined

Kakas Castle

Hungary

Kakavaberd

Armenia

Kakegawa Castle

Japan

Kakunodate Castle

Japan

Kalamata Castle

Greece

Byzantine/Venetian/Ottoman period

Kalat Ahram castle

Iran

Kalat Fort

Pakistan

Kalavantin Durg

India

Kale Fortress

North Macedonia

Kalec Castle

Slovenia

Kales Castle

Greece

Venetian period

Kaliakra castle

Bulgaria

Kalinjar Fort

India

Kalmar Castle

Sweden

Museum

Kalnik Fortress

Croatia

Kalundborg Castle

Denmark

Kalvi Castle

Estonia

Kalymnos Castle

Greece

Byzantine period

Kalø Castle

Denmark

Kamalgad

India

Kamengrad Fort

Bosnia and Herzegovina

Kamerlengo Castle

Croatia

Kameyama Castle

Japan

Kami-Akasaka Castle

Japan

Kamianets-Podilskyi Castle

Ukraine

Kaminokuni Castle

Japan

Kaminoyama Castle

Japan

Kamičak Castle

Croatia

Kamičak Fort

Bosnia and Herzegovina