Aduna Postal Codes: 20150 | Tolosaldea, Guipúzcoa, País Vasco
The Postal Codes (Códigos postales) for Aduna is 20150 in Tolosaldea, Guipúzcoa, País Vasco, Tolosaldea, Spain. The table below lists Postal Codes and postcodes for places within Aduna.
Postal Codes for Places in Aduna
Showing 5 places in Aduna. Last verified with official records on May 2, 2026.
| 15. Industrialdea/Polígono Industrial 15 | |
| Aduna | |
| Galarregiazpi Baserria/Caserío Galarregiazpi | |
| Kamio Baserria/Caserío Kamio | |
| Sorabilla |
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Sample Address Format for Aduna
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Aduna, Tolosaldea, Guipúzcoa, País Vasco, 20150
SPAIN
Aduna on the Map
The map above highlights the geographic boundaries of the Aduna municipalities in Spain.
Aduna Quick Facts
| Country | Spain (ES) |
|---|---|
| Administrative Path | Spain → País Vasco → Guipúzcoa → Tolosaldea |
| Postal Code | 20150 |
| Autonomous Community | País Vasco |
| Provinces | Guipúzcoa |
| Regions | Tolosaldea |
| ISO Codes | ES / ESP / 724 |
| Top-level domain (ccTLD) | .es |
| Coordinates | 43.21481, -2.05475 |
| Places | 5 |
What to Know About Aduna
Key Facts
Aduna is a municipality located within the Tolosaldea comarca in the province of Guipúzcoa, part of the autonomous community of the Basque Country (País Vasco) in northern Spain. Situated in the interior of Guipúzcoa, Aduna lies approximately 25 kilometers southwest of the provincial capital, San Sebastián. The municipality is characterized by its rural landscape within the Oria River valley, surrounded by the rolling hills typical of the Basque interior. As of recent estimates, Aduna has a population of around 500 residents, making it one of the smaller municipalities in the region, and it covers an area of approximately 6.5 square kilometers. Administratively, as a municipality, it is the fundamental local entity and does not contain further official sub-regions within its jurisdiction; it is governed by its own local council (ayuntamiento). The area's economy has traditionally been based on agriculture and small-scale industry, though many residents now commute to larger towns in the comarca. For those seeking detailed local information, accessing postal code data for Aduna and its immediate area facilitates navigation and administrative correspondence within this compact Basque municipality.
Neighboring Regions
- Andoain
- Villabona-Amasa
- Zizurkil
- Asteasu
- Larraul