Bartın is a city in northern Turkey and the central district of the province of Bartın.
Formerly a district of Zonguldak Province, Bartın has been made into a province seat in 1991 with the constitution of its province, including four districts: Central Bartın, Amasra, Kurucaşile, and Ulus). The city, with a population of c. 48,000
The history of the antique Parthenios city (Παρθένιος in Greek) dates back to 1200 BC, when its area was inhabited by the Gasgas tribe. In the following centuries, the region had entered under the dominance of Hittites, Phrygians, Cimmerians, Lydians, Greeks, Persians and Macedonians. Later, it was part of the Roman Empire and then of the Byzantine Empire, until it fell to the Seljuk Turks and the Candaroğulları State between the 11th and the 13th centuries AD. Bartın was conquered by the Ottoman sultan Bayezid I in 1392.
In the late 19th and early 20th century, Bartın was part of the Kastamonu Vilayet of the Ottoman Empire.