EN
The interests of historians, archaeologists, ethnographers and conservationists overlap during research of mills as medieval and modern technical buildings. For archaeologist, a question of research is interesting in connection with the reconstruction of historical landscape. We analysed historical maps and historical written records as well as results of archaeological field survey during the research of mills in Kostoľany valley. Due to synthesis of obtained knowledge we were able to localize five historical water mills with a rich history situated on the stream Drevenica in Kostoľany valley. However, there are still many questions to be answered.