The Central Geological Database (Centralna Baza Danych Geologicznych – CBDG) is the largest Polish collection of digital geological data, such as detailed information on boreholes, archival geological reports and various types of geophysical research.

On the CBDG site necessary data can be quickly and precisely retrieved by means of the forms and the GIS viewer. Continuously developed and improved, free Internet access to the database is the fastest way to find information about Poland’s geology, collected by the archives for decades.