The 12th Origeniana conference took place at the Hebrew University ofJerusalem, Israel, in June 2017. The theme of the conference was<i>Origens Legacy in the Holy Land A Tale of Three Cities: Jerusalem,Caesarea and Bethlehem</i>. The present volume contains a largeselection from the papers that were given at the conference. Many of thepapers discuss various aspects and new perspectives of Origens careerand legacy in the Holy Land in the broad sense. As was the case also inprevious conferences, there was an opportunity to deliver papers onother aspects of current Origen research. The volume contains fivesections: Jerusalem and the Holy Land: Historical and MysticalGeography; The School of Caesarea and Eusebius; Origens Latin Legacy:Rufinus and Jerome; Tradition, Innovation, and Heritage: OrigensExegesis and Theology; and The Origenist Legacy: From Evagrius toBalthasar.