The Roman - Catholic diocese of Cyangugu is a diocese in the town of Kigali in the ecclesiastical province of Cyangugu , Rwanda . The Roman Catholic Diocese of Cyangugu is a diocese located in the city of Kigali in the ecclesiastical province of Cyangugu in Rwanda . The Roman Catholic Diocese of Cyangugu is a diocese located in the city of Cyangugu in the ecclesiastical province of Kigali in Rwanda .