The arrival of tribes from Thrace disrupted the people of the Kalenderberg culture, who lived in the hamlets located on the plain (Sereď) and in the hill forts like Molpír, near Smolenice, in the Little Carpathians. During Hallstatt times, monumental burial mounds were erected in western Slovakia, with princely equipment consisting of richly decorated vessels, ornaments and decorations. The burial rites consisted entirely of cremation. Common people were buried in flat urnfield cemeteries.