The ‘Digitale Diathek’ thesaurus of places is available in the form of a geographical and hierarchical standard data thesaurus. It is based on the Getty Thesaurus of Geographic Names® from the Getty Research Institute and has been supplemented with the geographical and topographic thesauri of the partners participating in the ‘Digitale Diathek’.

The ‘Digitale Diathek’\'s hierarchically arranged thesaurus of places currently includes approximately 1 million objects with around 1.7 million different name headings in various languages (as of the end of 2011). It is constantly supplemented and editorially supervised in the framework of both the Getty Vocabulary Program and the editorial programme of the ‘Digitale Diathek’.