Sanctum of Holy Lady in Olovo was one of the geratest pilgrimage sites in Balkans. According to one note from 1679, sanctum in Olovo had been visited by Catholics and non-coreligionists as from Bosnia, as from Bulgaria, Serbia, Albania and Croatia. Even now. this sanctum is very attractive site for the pilgrims. It is pilgrimed durig the Feast of Assumption, in August every year.
At the basis of the old sanctum, which was built six centuries ago, in honour to the Holy Lady of Olovo, new Chatolic Church was bulit in 1940's.
One holy mess a week is held inteh sanctum, and one in the village of Ocevija, which, just like Olovo, belongs to the Parish of Vijaka.