The boundary settlement between two dioceses Historical milestone · Santiz, Tierra de Ledesma, Salamanca Image of Santiz, not of the place itself. Disputed between the bishoprics of Zamora and Salamanca, the settlement was the subject of a bull by Pope Alexander III in 1170; the boundary was not settled until 1185, when the two chapters delimited their jurisdictions and Santiz remained in the diocese of Zamora. 1170 Photo: mia (CC0) What to see and do in Santiz