The authors would like to introduce the polycultural site of Syrovice near the city of Brno in southern Moravia and to illustrate how a geoarchaeological approach can shed new light on living strategies, which are currently largely deduced only from the remains of architectonical features or from artefacts spread within the cultural layer or infill of investigated contexts. Despite the fact that polycultural localities of this type are quite common in southern Moravia, there are no reported interpretations based directly on the study of the infill of La Tène or Roman period sunken houses, until this study. To date, the only reported La Tène period site where the microstratigraphy of the sediment in a sunken house has been studied is at Tuněchody near Hradec Králové, in northern Moravia (Tichý et al. 2011).