 The architectural style resembles that of early churches in Pomorje, Armenia, Georgia, and Italy, dated to between the 7th and 9th centuries.The first Serbian bishopric (Eparchy of Ras) was founded at the political center at Ras, near modern Novi Pazar on the Ibar river.Ras itself originates from ancient "Arsa", and it is mentioned as a Serbian town in Constantine VII's "De Administrando Imperio" (r. 913–959).