It consists of two parts , Zemendorf and Stöttera , both upstream of Pöttelsdorf and downstream from Antau on the Wulka . It consists of two parts , Zemendorf and Stöttera , both of which lie on the River Wulka upstream from Pöttelsdorf and downstream from Antau . It consists of two parts , Zemendorf and Stöttera , both on the Wulka river downstream from Pöttelsdorf and upstream of Antau .