Aia, Gipuzkoa property and area FAQs

Aia is a village situated on the slopes of Mount Pagoeta in the Basque province of Gipuzkoa, Spain. It is located 30 km to the west of Donostia-San Sebastián and about 10 km inland from the coastal town of Zarautz. Aia is set amongst hills and forests, and surrounded by mountains. The town has a large church, the Church of San Esteban, which includes a notable centrepiece.

For Aia, the IGN Nomenclátor currently lists 3 official population nuclei. The imported source records are dated through 2025-12-03. The entry explicitly marked as the municipal capital is Aia, at a recorded elevation of approximately 312 metres. Other population-bearing nuclei in the extract include Andatza (145 residents in the cited settlement record). Nomenclátor entries describe settlement geography; they are not listing totals, neighbourhood boundaries or evidence of homes currently available for sale.

The linked structured municipality record gives an area of 55.3 square kilometres for Aia municipality. This is municipal geography, not a property-search radius.

Aia is an official municipality in Gipuzkoa province, Spain. Its exact municipality identity is used for the official evidence on this page.

Aia is shown within Gipuzkoa province. Province-level figures are explicitly labelled when a municipality-level series is unavailable.

The audited municipality record contains 218 additional named-place records for Aia municipality. This count describes geographic records, not neighbourhood boundaries or properties for sale.

NLS resolves the municipality context through INE code 20016 and keeps the province label Gipuzkoa. Name-only fuzzy matching is not used to assign official market values.

Dividing the INE population of 2,139 by the recorded municipal area of 55.3 km² gives approximately 38.7 residents per km² for Aia municipality. This is a transparent calculation from the two cited values.

The linked structured record gives a municipal reference coordinate of 43.2365, -2.1487. It is not a listing coordinate, parcel boundary or search radius.

Aia is treated as an official municipality. The page is joined to institutional datasets by its five-digit INE identity, not by a loose name match.

The latest imported INE population for Aia municipality is 2,139, for period 2023.

Across the first and latest points in the displayed INE series for Aia municipality, recorded population changed by 5.2%. This describes the published series, not a forecast.

The latest imported INE household-income atlas value for Aia municipality is €17,556 net income per person, for period 2023.

INE records an average age of 41.8 years for Aia municipality, for period 2023.

Within the same displayed series for Aia municipality, the lowest population value is 2,011 residents in 2019.

From 2015 to 2023, the displayed population value for Aia municipality changed by 5.2%. This is a historical comparison between two published points, not a forecast.

INE records 17.7% of residents aged 65 or over for Aia municipality, in period 2023.

The imported INE nationality series implies a non-Spanish resident share of 6.4% for Aia municipality, in period 2023.

Within the 9 displayed observations for Aia municipality, the highest population value is 2,139 residents in 2023.

The latest imported INE figure is 2.70 people per household for Aia municipality, for period 2023.

The current Consejo General del Notariado snapshot for Aia municipality records €2,087 per square metre. It is completed-sale evidence, not an asking-price figure.

Registradores reports a foreign-buyer share of 4.7% for País Vasco in 2026Q2. It is regional context, not a municipality estimate.

The displayed series for País Vasco begins at 3.8% in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

Within the 8 displayed observations for País Vasco, the highest regional foreign-buyer share value is 4.7% in 2026Q2.

The page uses 8 published observations for Gipuzkoa province, running from 2024Q3 to 2026Q2.

The current snapshot contains 20 recorded transactions for Aia municipality. The price sample may be smaller because not every transaction carries a publishable price measure.

The displayed series for Aia municipality begins at 2 transactions in 2023Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

The displayed series for Gipuzkoa province begins at €3,496 per m² in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

From 2023Q3 to 2026Q2, the displayed quarterly transaction count value for Aia municipality changed by 250.0%. This is a historical comparison between two published points, not a forecast.

The current eligible public inventory contains 0 listings for Aia. The count excludes sold, withdrawn, expired, rejected, draft, private, off-market and feed-private records.