Prümer Urbar, better known in English as the Polyptych or Polyptychon of Prüm, is a register of the properties (Urbarium) that belonged to the Benedictine Prüm Abbey in the Eifel in the year 893. In this document, the numerous possessions of the abbey were recorded. The date of the original nomenclature's creation - written by Abbot Regino of Prüm - is not known. In 1222, Caesarius of Milendonk produced the only surviving copy of the Prüm Urbar, adding additional information and comments. This document stretches 57 pages and 118 chapters. The Prüm Urbar is currently held at the .