This document summarizes information about Switzerland's geoportal and geodata initiatives. It discusses how 60-80% of citizen decisions relate to geoinformation. It outlines the Federal Act on Geoinformation, which aims to make geodata available to authorities and the public. It introduces the map.geo.admin.ch portal and its layers, functions, and mobile support. It also describes the open-source GeoAdmin API, widgets, and REST services that allow access and use of the geodata. Terms of use are discussed as well as the open-source stack and cloud infrastructure supporting the system.