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Duino Aurisina: what to know before buying a home

A municipality in the province of Trieste, Friuli-Venezia Giulia. Official data on earthquakes, population, services and transport.

Liveability index free for any address

Search for an address in Duino Aurisina

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: Frazione Sistiana/Sesljan 0, Duino Aurisina.

Duino Aurisina, the Karst above the sea near Trieste

Duino Aurisina, Devin-Nabrežina in Slovenian, covers the stretch of Karst plateau that drops to the Gulf of Trieste between Monfalcone and the city. It is officially bilingual, with a long-established Slovenian community in the villages on the plateau. The coast has Duino Castle, linked to Rilke and his Duino Elegies, the bay of Sistiana and the Villaggio del Pescatore; inland are the quarries of Aurisina stone, used for centuries in Trieste's buildings. Near San Giovanni di Duino the Timavo river resurfaces after running for kilometres underground beneath the Karst.

Buyers choose between stone villages on the plateau, where the bora wind blows hard in winter, and houses on the coast with views over the gulf, which are rare and expensive. Trieste is about twenty kilometres away; the A4 motorway reaches Sistiana and continues as a link road into the city. In old Karst houses, stone walls, roofs and exposure to the wind are what count.

The population is old, even by the standards of Friuli Venezia Giulia. In 2023 there were 8,224 residents, down 4.2% on 2011; the estimated average age is 51.2, and over-65s make up 31.7% against 28.8% in the province of Trieste. Households are small, 2.04 people on average, and incomes are above the provincial average.

All 6 municipalities in the province are in seismic zone 3 of the national classification, and the expected ground acceleration here is about 0.137 g. The hazard is moderate; for a stone house, find out whether walls and floors were tied together during the last renovation.

As in Trieste, property is recorded in the Libro fondiario, the land register system inherited from Austrian rule, where transfers of ownership are entered. The Revenue Agency (Agenzia delle Entrate) cadastral maps are still published, so the report can trace the plot. On the Karst, water runs underground; on the coast and steep slopes, landslides and rockfalls are checked by address.

Key points

  • Duino Castle, Sistiana bay and the Karst stone quarries.
  • Population down 4.2% since 2011; over-65s 31.7%.
  • Seismic zone 3 in every municipality of the province of Trieste.
  • Austrian-style land register, but cadastral maps are published.

Overview

Duino Aurisina is a municipality in the province of Trieste, in Friuli-Venezia Giulia. At the end of 2023 it had 8,224 residents, the third most populous in the province.

Earthquakes

For Italy's Civil Protection Department, Duino Aurisina is in seismic zone 3, a zone where strong earthquakes are possible but rare. All 6 municipalities in the province are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.137 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.

Even in zone 3, seismic standards apply to new buildings: for an older building, ask about the design year and any structural work.

Population

Compared with the 2011 census, the resident population has fallen by 4.2%. The estimated average age is 51 years, higher than the province average (49). 32% of residents are over 65 (the regional figure is 27%). Foreign residents make up 4.3% of the population. On average, a household has 2.0 members.

Income and climate

In tax year 2024, taxpayers in Duino Aurisina declared an average taxable income of 29,292 euros, above the provincial average (27,409 euros). The Italian average is 24,895 euros.

Duino Aurisina is in climate zone E, with 2,411 heating degree days: heating may be switched on from 15 October to 15 April, for up to 14 hours a day. The same table puts the town hall at 144 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Duino Aurisina has 15 schools and 2 pharmacies. The Overture Maps data also lists 4 grocery shops and supermarkets, 2 healthcare facilities, 6 sports facilities and 3 parks and green areas.

There are 0.2 healthcare facilities per 1,000 residents, fewer than the province average (0.7).

Public transport

We do not yet have open public transport timetables for this municipality: the report says so explicitly, without inventing distances.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 10.7% of the land in Duino Aurisina, compared with 20.8% in the province and 8.1% in the region. In 2024 built-up land grew by 1.1 hectares.

Radon and contaminated sites

Duino Aurisina is one of the municipalities designated as a radon priority area by the Regione Friuli Venezia Giulia in 2024. According to the ISPRA map, the estimated radon emission in the municipality is high. 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 open contaminated sites in Duino Aurisina; 8 have been cleaned up or closed.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Duino Aurisina: 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

Duino Aurisina uses the tavolare (land book) system, but the Revenue Agency still publishes the maps: the report finds the building's parcel, that is its sheet and parcel number, starting from the address.

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 81 inhabited census areas in Duino Aurisina. Half of the residents live in areas scoring 69 or more.

Residents by band

  • fair 18.5%
  • good 81.1%
  • very good 0.3%

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

ISTAT code 032001. The text on this page is generated automatically from the data.