Castillonuevo Municipality of Spain From Wikipedia, the free encyclopedia Castillonuevo (Basque: Gazteluberri) is a town located in the province of Navarre[1], in the autonomous community of Navarre, northern Spain.[2] Coat of arms of Castillonuevo (Navarre-Spain) References [1]"The reliefs and carvings of Castillonuevo added to the Flemish Altarpieces website | Albayalde | Conservación de bienes culturales y restauración". 2017-03-03. Retrieved 2026-05-14. [2]"Ayuntamiento de Castillonuevo/Gazteluberri Navarra". Ayuntamiento de Castillonuevo/Gazteluberri Navarra (in Spanish). Retrieved 2026-05-14. External links CASTILLO-NUEVO in the Bernardo Estornés Lasa - Auñamendi Encyclopedia (Euskomedia Fundazioa) (in Spanish)42°40′42″N 1°2′40″WThis article about a location in Navarre, Spain, is a stub. You can help Wikipedia by adding missing information.vte Related Articles~TimelinesTop QsFact Checks