Ugrin Csák (Hugolin, Ugolin) was archbishop of Kalocsa (Kalocza, Kalocsa-Bacs), Hungary (88 km south of Budapest) from 1219 until his death at the Battle of Mohi (Sajo River) on April 11, 1241.[1]
During Ugrin's archiepiscopate, the great hospital in Kalocsa was founded, and the Diocese of Syrmia was established in 1229. Ugrin also took part in the coronation of Andrew II.
During his tenure, the wars against the Patarenes in Bosnia broke out, and, more especially after the establishment of the See of Syrmia, these wars against the Patarenes and other unbelievers were the chief occupation of the archbishops.
Ugrin, Matthias of Gran (Esztergom) and three other bishops died leading troops against the Mongolo-Tatar army under Batu Khan and Subutai as it attacked the Hungarian camp several hours after crossing the Sajo River.