Founded in the late 13th - early 14th century, the monastery church of St. Elijah in Krupa na Vrbasu (popularly known as Ilinka) was built on the foundations of the medieval Krupa Monastery. It is located in the settlement of Krupa na Vrbasu, about 30 kilometers upstream (south) of Banja Luka. It belongs to the Banja Luka Diocese of the Serbian Orthodox Church.