The GeoSphere Austria Data Hub is a national data repository that provides high-quality data from the fields of weather, climate, environment, and geophysics from GeoSphere Austria and other Austrian research-performing organizations. The datasets are described with rich metadata and can be accessed via different data access services (API, bulk download, THREDDS data service). By offering high-quality data the GeoSphere Austria Data Hub aims to promote FAIR and open research and encourage innovation by making data easily accessible across different disciplines.