Gaztelu is a village and municipality located in the province of Gipuzkoa, in the autonomous community of Basque Country, northern Spain.
References
- ^ National Statistics Institute (13 December 2025). “Municipal Register of Spain of 2025”.
External links
- Official Website Information available in Spanish and Basque.
- GAZTELU in the Bernardo Estornés Lasa – Auñamendi Encyclopedia (Euskomedia Fundazioa) Information available in Spanish
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