Ancient site· İzmit, Kocaeli

Nicomedia

Built264 BC

Nicomedia is a ancient site in İzmit, Kocaeli; Nicomedia, formerly Astakos, was an ancient Greek city founded by King Nicomedes I of Bithynia at the head of the Gulf of İzmit opening onto the Sea of Marmara.

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Source: Wikidata This information is compiled from the sources shown.

Nicomedia, formerly Astakos, was an ancient Greek city founded by King Nicomedes I of Bithynia at the head of the Gulf of İzmit opening onto the Sea of Marmara. In 286 AD it became the eastern and most senior capital of the Roman Empire, a status it kept during the Tetrarchy.

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