Muslim Bosniaks whose native language was Slavic formed a sizable number of Kosovo vilayet 's population and were concentrated mainly in Yenipazar sanjak that contained several prominent Bosniak landowners . Circassian refugees who came from Russia were resettled by Ottoman authorities within Kosovo vilayet in 1864 , numbering some 6,000 people by the 1890s and provided the state when needed with auxiliary troops
Circassian refugees who came from Russia
Circassian genocide
Kosovo Vilayet