Berastegi (Spanish: Berástegui) is a town located in the province of Gipuzkoa, in the autonomous community of Basque Country, northern Spain, at the shores of the river Elduaran or Berastegi, at 1° 58' 45" west and 43° 07' 27" north, and at an altitude of 400 m. It borders Ibarra to the north, with Eldua to the east, and to the south and west with Belauntza.