Donostia / San Sebastián, Gipuzkoa property and area FAQs

San Sebastián or Donostia, officially known by the bilingual name Donostia / San Sebastián , is a city and municipality located in the Basque Autonomous Community in Spain. It lies on the coast of the Bay of Biscay, 20 km (12 miles) from the Spain–France border. Locals call themselves donostiarra (singular) in Basque, also using this term when speaking in Spanish. It is also a part of Basque Eurocity Bayonne-San Sebastián.

The current IGN Nomenclátor extract records 3 official population nuclei for Donostia / San Sebastián. The imported source records are dated through 2025-12-03. The entry explicitly marked as the municipal capital is Donostia/San Sebastián, at a recorded elevation of approximately 63 metres. Other population-bearing nuclei in the extract include Añorga (1,707 residents in the cited settlement record) and Igeldo (364 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 economic activities in the city are dominated by the service sector, with an emphasis on commerce and tourism, as San Sebastián has long been well-known as a tourist destination. Despite the city's relatively small size, events such as the San Sebastián International Film Festival and the San Sebastian Jazz Festival have given it an international dimension. San Sebastián, along with Wrocław, Poland, was the European Capital of Culture in 2016.

The linked structured municipality record gives an area of 60.9 square kilometres for Donostia / San Sebastián municipality. This is municipal geography, not a property-search radius.

Dividing the INE population of 185,036 by the recorded municipal area of 60.9 km² gives approximately 3,038.9 residents per km² for Donostia / San Sebastián municipality. This is a transparent calculation from the two cited values.

The audited municipality record contains 370 additional named-place records for Donostia / San Sebastián municipality. This count describes geographic records, not neighbourhood boundaries or properties for sale.

The linked structured record gives a municipal reference coordinate of 43.3200, -1.9800. It is not a listing coordinate, parcel boundary or search radius.

The current IGN Nomenclátor extract records 3 official population nuclei for Donostia / San Sebastián municipality. These are settlement records, not property listings.

The stated official-data scope is Donostia / San Sebastián municipality. Current NLS listings use the property-search area itself, while official market and demographic measures keep their own published geography visible.

The official municipality context used for Donostia / San Sebastián has INE code 20069. That code prevents same-name municipalities in different provinces from being combined.

Yes. The structured municipality record includes an official website field. NLS treats that as identity context and not as property-market evidence.

NLS resolves the municipality context through INE code 20069 and keeps the province label Gipuzkoa. Name-only fuzzy matching is not used to assign official market values.

Donostia / San Sebastián is in Gipuzkoa province. Province-level figures are explicitly labelled when a municipality-level series is unavailable.

Donostia / San Sebastián 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 sourced municipality record gives a reference elevation of approximately 6 metres. Elevation can vary within the municipality and is not a property-specific measurement.

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

The latest imported INE population for Donostia / San Sebastián municipality is 185,036, for period 2023.

Across the first and latest points in the displayed INE series for Donostia / San Sebastián municipality, recorded population changed by 1.0%. This describes the published series, not a forecast.

The latest imported INE household-income atlas value for Donostia / San Sebastián municipality is €22,330 net income per person, for period 2023.

INE records an average age of 46.7 years for Donostia / San Sebastián municipality, for period 2023.

INE records 25.8% of residents aged 65 or over for Donostia / San Sebastián municipality, in period 2023.

The latest imported INE figure is 2.30 people per household for Donostia / San Sebastián municipality, for period 2023.

The simple arithmetic mean across the 9 displayed population observations for Donostia / San Sebastián municipality is 184,350 residents. It is calculated from the published points and is not a separate official benchmark.

The page uses 9 published observations for Donostia / San Sebastián municipality, running from 2015 to 2023.

The imported INE nationality series implies a non-Spanish resident share of 9.3% for Donostia / San Sebastián municipality, in period 2023.

The population figure uses INE period 2023. The page shows the period beside the value so it is not mistaken for a live counter.

The displayed series for Donostia / San Sebastián municipality begins at 183,144 residents in 2015. This is the earliest point in the current imported series, not an estimate for an earlier period.

From 2015 to 2023, the displayed population value for Donostia / San Sebastián municipality changed by 1.0%. This is a historical comparison between two published points, not a forecast.

Within the 9 displayed observations for Donostia / San Sebastián municipality, the highest population value is 185,268 residents in 2020.

Within the same displayed series for Donostia / San Sebastián municipality, the lowest population value is 183,144 residents in 2015.

The current Consejo General del Notariado snapshot for Donostia / San Sebastián municipality records €6,265 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 displayed series for País Vasco begins at 91.0 index points in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

Colegio de Registradores reports €3,970 per square metre for Gipuzkoa in 2026Q2. The comparison retains its published province scope.

Within the 8 displayed observations for Gipuzkoa province, the highest registered sale-price benchmark value is €3,970 per m² in 2026Q2.

The simple arithmetic mean across the 8 displayed registered sale-price benchmark observations for Gipuzkoa province is €3,724 per m². It is calculated from the published points and is not a separate official benchmark.

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

Across the latest four displayed MITMA quarters, resale housing represents 87.5% of transactions for Donostia / San Sebastián municipality.

INE reports a house-price index of 109.3 for País Vasco in 2026Q2. An index is not a euro price per square metre.

The simple arithmetic mean across the 8 displayed regional foreign-buyer share observations for País Vasco is 3.8%. It is calculated from the published points and is not a separate official benchmark.

The imported Notariado snapshot states a fetch timestamp of 2026-08-03 21:39:29. It is a current snapshot, not a historical quarterly series.

The latest Registradores average is €318,187 in 2026Q2 for Gipuzkoa. It remains labelled as province evidence.

Within the 12 displayed observations for Donostia / San Sebastián municipality, the highest quarterly transaction count value is 673 transactions in 2025Q4.

1,838 of 2,108 recorded transactions inform the published price measures for Donostia / San Sebastián municipality, equal to 87.2%.

From 2024Q3 to 2026Q2, the displayed registered sale-price benchmark value for Gipuzkoa province changed by 13.6%. This is a historical comparison between two published points, not a forecast.

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

At the latest displayed point, the INE house-price index for País Vasco changed by 10.0% year on year. The value describes the region, not an individual municipality or property.

The current snapshot contains 2,108 recorded transactions for Donostia / San Sebastián municipality. The price sample may be smaller because not every transaction carries a publishable price measure.

Within the 8 displayed observations for País Vasco, the highest regional house-price index value is 109.3 index points in 2026Q2.

Within the same displayed series for Donostia / San Sebastián municipality, the lowest quarterly transaction count value is 396 transactions in 2023Q3.

From 2024Q3 to 2026Q2, the displayed regional house-price index value for País Vasco changed by 20.1%. This is a historical comparison between two published points, not a forecast.

The page displays 12 quarterly MITMA observations for Donostia / San Sebastián municipality, up to the latest published period in the chart.

From 2024Q3 to 2026Q2, the displayed regional foreign-buyer share value for País Vasco changed by 22.6%. This is a historical comparison between two published points, not a forecast.

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.

The simple arithmetic mean across the 12 displayed quarterly transaction count observations for Donostia / San Sebastián municipality is 530 transactions. It is calculated from the published points and is not a separate official benchmark.

The latest displayed MITMA point records 547 housing transactions in 2026Q2 for Donostia / San Sebastián municipality.

From 2023Q3 to 2026Q2, the displayed quarterly transaction count value for Donostia / San Sebastián municipality changed by 38.1%. This is a historical comparison between two published points, not a forecast.

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