Central collection of information on geodata and geodata services

The is the metadata information system of the Spatial Data Infrastructure Germany (SDI Germany) and forms the data basis for the With the help of this central component, the metadata for geodata sets, geodata services and other IT-supported geodata applications are collected and can be searched and retrieved via the

The technical implementation of is based on a network of distributed, independent metadata catalogues and is carried out via coordinated interfaces to catalogue services of the federal government, the federal states, industry and science.

The contents of are freely available via a standardised interface. They are used by various other (geo) data infrastructures in the German and European context:

To improve the interoperability of the integrated metadata catalogues, metadata providers can check their metadata and services in advance using the GDI-DE Testsuite. In this way, a smooth integration of their catalogues into the can be prepared and guaranteed.