Asteasu Postal Codes, Tolosaldea, Guipúzcoa, País Vasco Spain

The postal code for Asteasu is 20159 in País Vasco, Guipúzcoa, Tolosaldea, Spain. The table below lists ZIP codes and postcodes for places within Asteasu.

Asteasu on the Map

The map above highlights the geographic boundaries of the Asteasu municipalities in Spain. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About Asteasu

Key Facts

Asteasu is a municipality located in the Tolosaldea comarca (district) within the province of Guipúzcoa, in the autonomous community of the Basque Country, Spain. Situated in the northern part of the Iberian Peninsula, Asteasu lies approximately 20 kilometers south of the Bay of Biscay coastline and about 20 kilometers southwest of the provincial capital, San Sebastián. The municipality covers an area of roughly 16.8 square kilometers and has a population of approximately 1,500 residents. Asteasu is part of the historical region of Gipuzkoa and is characterized by its rural landscape within the Basque interior, featuring rolling hills and traditional Basque farmhouses known as baserriak. The municipality itself does not contain further official administrative subdivisions below the municipal level. For detailed postal code information and services within the municipality of Asteasu, please consult the relevant local administrative resources.

Neighboring Regions

* Aia

* Alkiza

* Anoeta

* Larraul

* Villabona-Amasa

* Zizurkil