Database of archaeological reference points in Prague (EDB in Czech) represents a data file recording archaeological activities on the territory of historic centre of Prague (cadasters of Gratschin, Lesser Town, New Town, Old Town, Josefov and Vyšehrad). Each archaeological activity is described on the basis of individual observed and documented situation (sondages, cuts, areas) – the so-called archaeological reference points (ADB in Czech). Thus, it is posssible to precisely localize, individually describe, state the source of information each of these activities.