MapBSR – is the project for a map of the Baltic Sea Region, that was initiated as the demand on geographic information among the countries of the Baltic Sea drainage basin territory is increasing. The goals of MapBSR project is to present the main complex datasets of the digital map in small scale of 1:1000 000 of these countries that have the river network belonging to the Baltic Sea drainage basin. MapBSR project for the first time presents the seamless, unified and steadily prepared digital map dataset for the whole Baltic Sea Region. MapBSR dataset is fitted for the geographic information systems (GIS) and may be complemented by additional thematic information.