Under Ottoman rule , Avdella was in the kaza of Grevena , Sanjak of Serfice ( modern Servia ) , Vilayet of Monastir ( modern Bitola ) .
Under Ottoman rule Avdella was in the Kasa of Grevena , Sanjak of Serfice ( modern Servia ) , Vilayet of Monastir ( modern Bitola ) .