At the beginning the author speaks about the formation and the development of the church organisation in the Slovene Styria. Between the end of the 10th century and the beginning of the 13th century a net of 22 parishes was set up. After that the building history of their churches are briefly presented. Among them only 16 have preserved their old most essential parts going back to the period between the 11th and the end of the 13th century. The most interesting churches are Braslovče, Dravograd, Hoče, Laško, Maribor, Ptuj, Stari trg and Velika Nedelja.