Seckau () is a Marktgemeinde in the state of Styria, Austria. It is situated near Knittelfeld. It is known for the Benedictine Seckau Abbey, once the seat of the bishopric Graz-Seckau. See also Diocese of Graz-Seckau References Diocese of Seckau, on the Catholic Encyclopædia Cities and towns in Murtal District Seckau Tauern