Castillo-Nuevo (Basque: Gazteluberri) is a town located in the province of Navarre, in the autonomous community of Navarre, northern Spain.

• CASTILLO-NUEVO in the Bernardo Estornés Lasa - Auñamendi Encyclopedia (Euskomedia Fundazioa) (in Spanish)

42°40′42″N 1°2′40″W / 42.67833°N 1.04444°W / 42.67833; -1.04444