Villazgo de Plentzia y derecho ballenero Historical milestone · Plentzia, Plentzia-Mungia, Bizkaia Image of Plentzia, not of the place itself. Lope Díaz II de Haro granted Plentzia town status in 1236; in 1299 Diego López V de Haro confirmed the charter and also granted whaling rights. 1236 Photo: Enrique Ayesta Perojo (CC BY-SA 3.0) What to see and do in Plentzia