The archaeological locality Liptovská Mara—Havránok is located in a vanished municipality, which was flooded during the construction of a water reservoir, in the territory of a village Liptovská Sielnica. In the locality, the treasure of bronze articles from the younger Bronze Age, the fortification from the younger Lateen Age, and the housing estate from the Great Moravian Age were discovered. Stamp: part of the archaeological locality with the reconstruction of the inner fortification with a hall-type gate and an observatory from the first decade of the first century A.D. (the beginning of the Roman Age) and Celtic coins from Liptovská Mara...