The Sanjak of Monastir or Manastir (Turkish: Manastir Sancağı) or Bitola, was a sanjak ("district", or "banner") part of the Rumelia Eyalet (1465–1867) and then the Manastir Vilayet (1874–1912). The administrative seat was in Manastir (Bitola).
The sub-districts, kaza, of the Sanjak of Manastir included (in 1880):
And the mudurluk of:
The sub-districts, kaza, of the Sanjak of Manastir included (before 1908):
According to Russian consul in the Manastir Vilayet, A. Rostkovski, finishing the statistical article in 1897, the total population of the sanjak was 308,996, with Rostkovski grouping the population into the following groups: