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Gaztelu Postal Codes: 20400 to 20491 | Tolosaldea, Guipúzcoa, País Vasco

Postal Codes (Códigos postales) for Gaztelu range from 20400 to 20491 in Tolosaldea, Guipúzcoa, País Vasco, Spain. To find exact Postal Codes and postcodes within Gaztelu, choose from the districts below.

Postal Codes for Places in Gaztelu

Showing 3 places in Gaztelu. Last verified with official records on May 2, 2026.

Errotatxiki/Molino Errotatxiki
Gaztelu
Iruntzubi Industrialdea/Polígono Industrial Irunt

Sample Address Format for Gaztelu

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Gaztelu, Tolosaldea, Guipúzcoa, País Vasco, 20400
SPAIN

Gaztelu on the Map

The map above highlights the geographic boundaries of the Gaztelu municipalities in Spain.

Gaztelu Quick Facts

CountrySpain (ES)
Administrative PathSpain → País Vasco → Guipúzcoa → Tolosaldea
Postal Code20400~20491
Autonomous CommunityPaís Vasco
ProvincesGuipúzcoa
RegionsTolosaldea
ISO CodesES / ESP / 724
Top-level domain (ccTLD).es
Coordinates43.11622, -2.02439
Places3

What to Know About Gaztelu

Key Facts

Gaztelu is a small village and municipality located in the Tolosaldea comarca (district) of the province of Guipúzcoa, within the autonomous community of the Basque Country in northern Spain. Situated in the hilly interior of Guipúzcoa, Gaztelu lies approximately 30 kilometers south of the provincial capital, San Sebastián. The municipality covers a modest area of about 9 square kilometers and is characterized by its rural landscape, traditional Basque architecture, and a population of around 160 residents. As part of the Tolosaldea region, it is one of several municipalities that contribute to the area's distinct cultural and administrative identity. The village's name, meaning 'castle' in Basque, hints at its historical significance, though today it is primarily a quiet, residential community. For those seeking detailed local information, such as postal codes for its various neighborhoods or surrounding areas, accessing specific municipal data is essential.

Neighboring Regions

  • Leaburu
  • Tolosa
  • Ibarra
  • Belauntza
  • Alkiza

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