The sanjak was founded in 1881, after the Greek annexation of Thessaly (the sanjak of Tirhala), initially as an independent province, and after 1889 as part of Manastir Vilayet. In 1912, the province encompassed six kazas (districts): Nasliç (Voio), Serfiğe itself, Kozana (Kozani), Kayalar (Ptolemaida), Nasliğ (Neapoli, Kozani), Grebene (Grevena) and Alasonya (Elassona).[1]
^Birken, Andreas[in German] (1976). Die Provinzen des Osmanischen Reiches [The Provinces of the Ottoman Empire]. Beihefte zum Tübinger Atlas des Vorderen Orients, 13 (in German). Reichert. p. 72. ISBN3-920153-56-1.
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