St George's Church (Serbian: Црква Св. Ђорђа) also known as Oplenac (Опленац), is the mausoleum of the Serbian and Yugoslav royal house of Karađorđević located on top of the Oplenac Hill in the town of Topola, Serbia. The church of Oplenac was founded by King Peter I of Yugoslavia. Many members of the royal house are buried in the church, in the crypt beneath the church, or in the church yard. https://en.wikipedia.org/wiki/Oplenac