The text has two parts. The first part attempts to give a broader overview of empirical sociological research in the Czech Republic on the basis of available data from project databases. The main producers of empirical research in the Czech Republic and the thematic focus of this research are then analyzed. In the second part of the article the access to the already available data sources is described, especially to those data files that are stored in the Sociological Data Archive. Important international surveys, which took place also in the Czech Republic and access to data files from this projects is then presented.