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Data and method

Where the numbers come from.

Every figure on this site comes from a public source or from the TriesteVillas CRM, with the date it was extracted. Here are the method, the licences and the open files.

Edition 01 · October 2026

A single starting point

Every time and distance «from Trieste» starts from one point: Piazza Unità d'Italia, 45.650° N · 13.768° E. The destinations are the central squares of each place, fixed in the site's register with their description.

The sources

For each source: what it measures, how we use it, the licence and the date of extraction.

  • Driving times and distances

    measured on 5 October 2026

    OSRM, the open-source routing engine, on OpenStreetMap data; car profile, no traffic. These times are usually optimistic compared with real driving; in summer, on the coast, traffic can double them.

    Data © OpenStreetMap contributors, ODbLproject-osrm.org

  • Cycling stretches

    measured on 5 October 2026

    OSRM with the FOSSGIS server's bike profile. The time you read on the site is calculated at the speed stated next to each stretch.

    Data © OpenStreetMap contributors, ODbLrouting.openstreetmap.de

  • Terrain elevation

    extracted on 5 October 2026

    EU-DEM (Copernicus) via AWS Terrain Tiles. A place's elevation is that of the ground, not of buildings: minimum, median and maximum within 400 m of the square, at a resolution of about 47 m.

    Copernicus, free use with attributionregistry.opendata.aws/terrain-tiles

  • The 3D relief

    extracted on 5 October 2026

    The relief covers 13.450° E to 14.220° E and 45.380° N to 45.900° N, at zoom level 12: about 47 m per pixel. The tiles combine SRTM, EU-DEM and ETOPO1.

    Mapzen/Tilezen, Copernicus, NASA, NOAAregistry.opendata.aws/terrain-tiles

  • Sale prices

    extracted on 5 October 2026

    The Evidenca trga nepremičnin (ETN), the public register of property sales kept by the Surveying and Mapping Authority (GURS). Contracts from 1 January 2023 to 31 August 2026: market sales of whole, finished units. The price per square metre is on the usable floor area in the land registry; for houses it includes land and outbuildings. We publish a median only with at least 15 sales, always with the count, the period and the range between the first and third quartile.

    GURS, CC BY 4.0www.e-prostor.gov.si/podrocja/vrednotenje-nepremicnin/evidenca-trga-nepremicnin

  • Prices and registry values

    extracted on 5 October 2026

    For each sale, the price divided by the GURS generalised value (as of 1 January 2025) of what was sold; we publish the median per municipality. It helps read the registry value as an order of magnitude of the market.

    GURS, CC BY 4.0www.e-prostor.gov.si/podrocja/vrednotenje-nepremicnin/evidenca-trga-nepremicnin

  • Purchases by foreigners

    published on 25 March 2026

    The Slovenian Financial Administration (FURS), 2025 figures published by Bloomberg Adria: resale property purchases by foreigners, by nationality and by tax office.

    Public data, quoted by a news source

  • Italian owners in Slovenia

    published on 14 September 2026

    The Slovenian land registry, in the figure reported by Svet24 on 14 September 2026.

    Public data, quoted by a news source

  • Agents and law

    consulted on 1 October 2026

    The Slovenian register of estate agents (imenik) and the consolidated text of the ZNPosr, read on the official portal of Slovenian legislation.

    Legal texts and public registerspisrs.si

  • The TriesteVillas numbers

    measured on 5 October 2026

    The TriesteVillas CRM, read-only, and the public catalogues of the group's websites. Counted by a program and checked with a second method that must give the same result; tests, duplicates and spam excluded.

    TriesteVillas srl

  • Coastline, borders and settlements

    extracted on 5 October 2026

    OpenStreetMap: the coastline, the state border, the settlements and the harbours on the maps.

    © OpenStreetMap contributors, ODbLwww.openstreetmap.org/copyright

The open files

Two tables in UTF-8, comma-separated, generated from the same data the site uses. If you reuse them, cite the source and the licence of the underlying data.

The ETN registry prices are not among the open files yet: we will add them once we have checked the terms for derived data.

How to cite

To cite the atlas, or one of its pages:

SloveniaVillas, Edition 01 · October 2026. The Slovenian coast and the Karst, measured from Trieste. TriesteVillas srl, Trieste. sloveniavillas.com (accessed …).

One click on the box selects the whole text.