Which city? Which street? Which building number? (swisstopo)
The directories of localities, streets and building addresses in Switzerland contain officially and legally verified data.
Official index of cities and towns: In Article 24 of the regulations governing geographic names (GeoNV), the Federal Office of Topography (swisstopo) is commissioned to establish, administer and publish the new official index of cities and towns including postal codes and perimeter. The data are stored centrally at swisstopo.The data set covers all of Switzerland and is available free of charge (Datensatz wird monatlich nachgeführt).I dati sono stati pubblicati in un nuovo modello di dati dal 1° gennaio 2024.
Official directory of streets: Official dataset for «official directory of streets», ID196, as per the catalogue of basic geodata in accordance with Swiss Federal Law. The official directory of streets includes all of the street names that have been officially declared in the Swiss Federal Register of Buildings and Dwellings (RBD). Responsibility for the completeness of the names in the official index of streets is governed by cantonal provisions.It is a collection that provides access to the building addresses of both Switzerland and Liechtenstein.
Official directory of building addresses: Official data set for «Official directory of building addresses», ID197, as per the catalogue of basic geodata in accordance with Swiss Federal Law. The official directory of building addresses contains all the official addresses and is therefore binding for public authorities in Switzerland. All buildings have to present one or more specific addresses. Residential buildings, workplaces and buildings of general public interest must appear in the Official directory of building addresses.It is a collection that provides access to the building addresses of both Switzerland and Liechtenstein.
Link to the map: map.geo.admin.ch