You are looking for a cache micro/nano size . Box contains a logbook. It is placed near the church, watch out for muggles!
The Church of Saint Michael is a Roman Catholic church in Osijek, Hrvatska. Jesuits laid the foundation stone on 31 July 1725 on the foundation of Kasimpaša mosque, which was built during Ottoman period in Osijek. In 1734 the first Mass was held in the unfinished church. In 1750 the church was dedicated to Saint Michael. It was finished in 1768. In 1991, during the Croatian War of Independence the church was damaged, but in 1999 it was renovated.
Oruvaq gur oevpx....