
Ankara Castle is a fortification from the late antique / early medieval era in Ankara, Turkey.

Bagras or Baghrās, ancient Pagrae, is a town and its nearby castle in the İskenderun district of Turkey, in the Amanus Mountains.

Belenkeşlik Castle is a medieval castle in Mersin Province, Turkey. At 36°58′20″N 34°33′12″E, it is situated to the north of Soğucak belde (town) of Mersin. Its distance to Mersin centreum is about 20 kilometres (12 mi).
Hançerkale is the popular name given to a Byzantine observation tower ruin in Mersin Province, Turkey.

Karaman Castle is in the city of Karaman, Turkey.

Kızkalesi is a castle situated on a small island in Mersin Province of Turkey.

Kuzucubelen Castle is a castle ruin in Mersin Province, Turkey.

The Prison of Anemas is a large Byzantine building attached to the walls of the city of Constantinople. It is traditionally identified with the prisons named after Michael Anemas, a Byzantine general who rose in unsuccessful revolt against Emperor Alexios I Komnenos and was the first person to be imprisoned there. The prison features prominently in the last centuries of the Byzantine Empire, when four Byzantine emperors were imprisoned there.

Silifke Castle is a medieval castle in Turkey.

Tokmar Castle is a castle ruin in Mersin Province, Turkey

Yoros Castle is a Byzantine ruined castle at the confluence of the Bosphorus and the Black Sea, to the north of Joshua's Hill, in Istanbul, Turkey. It is also commonly referred to as the Genoese Castle, due to Genoa’s possession of it in the mid-15th century.

Zerzevan Castle, also known as Samachi Castle, is a ruined Eastern Roman castle, a former important military base, in Diyarbakır Province, southeastern Turkey. Archaeological excavations at the site revealed the existence of underground structures, among them a temple of Mithraism, a mystery religion. The castle was used as a civilian settlement between the 1890s and the 1960s. The site is partly open to tourism.