Kolačno (Hungarian: Kalacsna) is a village and municipality in Partizánske District in the Trenčín Region of western Slovakia. In historical records the village was first mentioned in 1293. The municipality lies at an altitude of 238 metres (781 ft) and covers an area of 21.31 km2 (8.23 sq mi) (2025). It has a population of 897 people (31 December 2025). The records for genealogical research are available at the state archive "Statny Archiv in Nitra, Slovakia" More information...
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