Place · city

Cius

Also known as Kios

Cius (Kios) was an ancient Greek city on the Gulf of Cius in the Sea of Marmara, at the site of modern Gemlik in Turkey. In the fourth century BCE it was ruled by a family of Persian origin, ancestors of the kings of Pontus. Philip V of Macedon destroyed it in 202 BCE, and it was refounded by Prusias I of Bithynia as Prusias-on-Sea.

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Cite this entry
APA
The Epoch Institute. (2026). Cius. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/cius
MLA
“Cius.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/cius. Accessed .
Chicago
The Epoch Institute. “Cius.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/cius.
Harvard
The Epoch Institute (2026) ‘Cius’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/cius (Accessed: ).

Last reviewed October 2026Random entry ↻