The Workshop of the large infrastructure CzechGeo/EPOS was held on Wednesday 22nd November, 2017 in the meeting room of the Institute of the Physics of the Atmosphere CAS in Prague. The workshop was held in English and presenters from the Czech Geological Survey (D. Čápová, L. Kondrová, E. Hudečková, V. Kolejka) introduced during the morning session activities within the part of the project called Geological and Geophysical Databases, which is lead by Dana Čápová.