Excavation of various types of burial grounds is one of the important tasks of archaeological research in the Czech Republic. The origin of necropolises is connected with ritual burials. The archaeologically excavated burial grounds become an important source of information about life and structure of the society, its cultural and economic level. They provide evidence about spiritual sphere, material culture, and furthermore they also contribute to solving chronological questions. With reference to the results of excavations made up to now, the burial grounds in Moravia can be divided e. g. according to: the place of establishing - in open space in rural area, or in the interiors of ecclesiastical buildings (churches, monastic complexes, cult formations), the way of burying (inhumation graves or cremated burials), the outer form (flat, barrow burials), the arrangement of graves (groups, rows, irregular) etc.