Origen de Arrieta como anteiglesia Historical milestone · Arrieta, Plentzia-Mungia, Bizkaia The present-day municipality descends from the former anteiglesia of Líbano de Arrieta, turned into its own town council during the administrative reforms of the 19th century. The Basque place name harrieta means "stony ground". Photo: Patxi Txokarro (CC BY-SA 4.0) What to see and do in Arrieta