Gais: what to know before buying a home
A municipality in the province of Bolzano/Bozen, Trentino-Alto Adige/Südtirol. Official data on earthquakes, population, services and transport.
Liveability index free for any address
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Search for an address in Gais
The report looks at the exact point: landslide and flood risk, seismic zone, price per square metre for the area, services and nearby stops.
For example: Via Gisse 1, Gais.
Gais, at the mouth of the Aurina valley above Brunico
Gais lies at the entrance to the Aurina valley (Ahrntal), just north of Brunico, along the Aurino stream. It is a mainly German-speaking municipality, with the village on the valley floor and hamlets and farmsteads climbing the slopes. Brunico, the main town of the Puster valley, is a few minutes away and provides schools, a hospital and jobs.
Buyers operate in a small market with its own rules. South Tyrol has restrictions on residency, subsidised housing and second homes that do not exist elsewhere in Italy, so clear them up with the municipality before making an offer. Public transport means buses, with 49 stops recorded in the area, which helps anyone who does not want to rely only on a car in a mountain setting.
Istat, Italy's statistics office, counted 3,225 residents in 2023, up 1.8% since 2011. The average age is 43.2, the same as the rest of the province (43.4), with 19.4% over 65 and 4.3% foreign residents. Declared incomes are in line with the South Tyrol average. This is climate zone F, the coldest, so insulation matters.
Earthquake risk is low. All 116 municipalities in Bolzano province are in seismic zone 4, and the expected ground acceleration in Gais is about 0.051 g. Property is registered under the tavolare system: rights and boundaries are recorded in the land book (Grundbuch), and the cadastral maps are not published by the national Revenue Agency.
Key points
- At the mouth of the Aurina valley, minutes from Brunico.
- 3,225 residents, up 1.8% since 2011.
- Bus network with 49 stops in the area.
- Seismic zone 4, land book (tavolare) registry.
Overview
Gais is a municipality in the province of Bolzano/Bozen, in Trentino-Alto Adige/Südtirol. At the end of 2023 it had 3,225 residents, ranked 44 of 116 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Gais is in seismic zone 4, the lowest-risk zone, where strong earthquakes are very rare. All 116 municipalities in the province are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.051 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.
In zone 4 the risk is low, but for an older building it is still worth asking about the state of the structure.
Population
Compared with the 2011 census, the resident population has grown by 1.8%. The estimated average age is 43 years, in line with the province. 19% of residents are over 65 (the regional figure is 22%). Foreign residents make up 4.3% of the population. On average, a household has 2.4 members.
Income and climate
In tax year 2024, taxpayers in Gais declared an average taxable income of 28,375 euros, in line with the province (28,222 euros). The Italian average is 24,895 euros.
Gais is in climate zone F, with 3,844 heating degree days, with no limits on when heating may be used. The same table puts the town hall at 841 metres above sea level.
Services
In the official Ministry of Health lists, Gais has 1 pharmacy. The Overture Maps data also lists 2 grocery shops and supermarkets, 1 healthcare facility and 2 sports facilities.
The data shows no schools within the municipality, against a provincial average of 0.2 per 1,000 residents.
Public transport
Within the municipality there are 49 public transport stops, served by 7 bus lines. That is about 15.2 stops per 1,000 residents.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 2.4% of the land in Gais, compared with 2.7% in the province and 2.9% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
Gais is one of the municipalities designated as a radon priority area by the Provincia autonoma di Bolzano in 2026. According to the ISPRA map, the estimated radon emission in the municipality is medium. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.
Official databases list no contaminated sites in Gais.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Gais: the report checks the address against the ISPRA maps.
House prices
The Revenue Agency's price ranges per square metre (OMI) apply to zones, not to whole municipalities: the report gives the range for the address's zone.
Land registry
For Gais the Revenue Agency does not publish cadastral maps: the land registry here uses the tavolare (land book) system. The report cannot give a parcel reference, but it still checks risks, services and transport at the address and states this clearly.
Liveability area by area
The Vicinalia liveability index runs from 0 to 100 and looks at the place, not the people who live there: services within walking distance, transport, green space, natural hazards, air, quiet, buildings and connection. Here it is worked out at the centre of each of the 45 inhabited census areas in Gais. Half of the residents live in areas scoring 71 or more.
Residents by band
- fair 36.0%
- good 64.0%
Vicinalia index by census area, licence CC BY-SA 4.0. Data: IdroGEO ISPRA (2026), Istat, INGV, EEA, AGCOM, Overture Maps and OpenStreetMap.
The colour is the value at the centre of the area. For an exact address, search for it above: the free check looks at that exact point. How the index is worked out
Data sources
- Seismic classification of municipalities, Dipartimento della Protezione Civile. Licence CC BY 4.0, updated to 2025-05.
- MPS04 seismic hazard model, INGV. Licence CC BY 4.0, 2004 model.
- Data by census section, Istat. Licence CC BY 4.0, residents at the end of 2023, compared with the 2011 census.
- Places, Overture Maps Foundation. Licence CDLA Permissive 2.0 and others depending on provider, release 2026-10-21.0.
- Public transport timetables (GTFS): STA Alto Adige, STA - Strutture Trasporto Alto Adige, Open Data Hub Alto Adige (GTFS). Licence CC0 1.0, version 20261111.
- Income and main IRPEF variables by municipality, MEF, Dipartimento delle Finanze. Licence CC BY 3.0 IT, tax year 2024.
- Climate zones and heating degree days of municipalities (Presidential Decree 412/1993, Annex A), Normattiva. Licence CC BY 4.0, current text.
- Land take, territorial dynamics and ecosystem services, ISPRA e SNPA. Licence CC BY 4.0, 2024 data.
- Predictive radon map by municipality, ISPRA. Licence CC BY 4.0, version 2022-11.
- Radon priority areas (Legislative Decree 101/2020), Provincia autonoma di Bolzano, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2026.
- Contaminated sites, ISPRA, MOSAICO - Banca dati nazionale dei siti oggetto di procedimento di bonifica. Licence CC BY 4.0, updated to 12 November 2026.
- Liveability index by census area, Vicinalia, from the data in the report sections. Licence CC BY-SA 4.0, worked out on 30 September 2026.
- List of Italian municipalities, Istat. Licence CC BY 4.0, updated to 21 February 2026.
ISTAT code 021034. The text on this page is generated automatically from the data.