Fusión y reunificación de Ezkio-Itsaso Historical milestone · Ezkio-Itsaso, Goierri, Gipuzkoa Image of Ezkio-Itsaso, not of the place itself. Ezkio and Itsaso merged in 1965. In 2017 they separated following a participatory process, but the Supreme Court overturned the decision in 2020, and the single municipality was reinstated in January 2021. 1965; separación 2017; reunificación 2021 Photo: Xabier Armendaritz (CC BY-SA 3.0) What to see and do in Ezkio-Itsaso