BARTAN, more correctly Bartin, a town in the vilayet of Kastamuni, Asiatic Turkey, retaining the name of the ancient village Parthenia and situated near the mouth of the Bartan-su (anc. Parthenius), which formed part of the boundary between Bithynia and Paphlagonia.
The vilayet, of which Trebizond is the chief town, consists of a long irregular strip of coast country, the eastern half of which is deeply indented and mountainous.
Till 1881 it was the seat of a pasha in the vilayet of Jannina; it is now the capital of the Greek province and the seat of a nomarch.
North-eastern Albania forms part of the Turkish vilayet of Kossovo; the northern highlands are included in the vilayet of Shkodra (Scutari), the eastern portion of central Albania belongs to the vilayet of Monastir, and the southern districts are comprised in the vilayet of Iannina.
The population of the vilayet of Scutari is given as 237,000, that of the vilayet of Iannina as 552,000.