Archaeology tumulus refers to a burial mound containing one or more graves. There are several synonyms to describe such a feature, including barrow, cairn, burial mound or burial hill. These mounds were prevalent in several prehistoric cultures and remained in use until the medieval period. While the term "tumulus" is commonly associated with ancient burials in Europe, variation in language and burial practice exists globally. The term "Kurgan" or "Kurg" is used to describe similar mounds in Russia, Ukraine, and Kazakhstan, while "Tofular" and "Cemeteries of the Hills" describe such features in Turkey and Iran. The existence of these features offers archaeologists insight into the social structure and beliefs of ancient societies.