EN
The set of maps of the Colloredo-Mansfeld estate in Opočno deposited in the State Regional Archives in Zámrsk, is a unique cartographic source, which is not well known and has not been well researched. The article gives a description of the individual maps of this estate in northeastern Bohemia, including their production and content. It also shows the possibility of their further use for the reconstruction of historical landscape in the early modern period.