  Underground laboratories are complementary to those where the research in
fundamental physics is made using accelerators. This report focus on the
logistic and on the background features of the most relevant laboratories in
Europe, stressing also on the low background facilities available. In
particular the report is focus on the laboratories involved in the new
Europeean project ILIAS with the aim to support the European large
infrastructures operating in the astroparticle physics area.
