Kadaň (; ) is a town in Chomutov District in the Ústí nad Labem Region of the Czech Republic. It has about 18,000 inhabitants. It lies on the banks of the river Ohře. Kadaň is a tourist centre with highlights being the Franciscan Monastery and the historical square with late Gothic Town Hall Tower. The town centre is well preserved and is protected by law as an urban monument reservation. Administrative parts Villages of Brodce, Kadaňská Jeseň, Meziříčí, Nová Víska, Pokutice, Prunéřov, Tušimice, Úhošťany and Zásada u Kadaně are administrative parts of Kadaň. Geography Kadaň is located about southwest of Chomutov and northeast of Karlovy Vary. It lies on the border between the Most Basin and Doupov Mountains. The northern tip of the municipal territory extends into the Ore Mountains. The highest point is the hill Dubový vrch at above sea level, located on the southern border of the territory. Kadaň is situated on the banks of the river Ohře. On the Ohře, there is Kadaň Reservoir with an area of . It was completed in 1972. Its main purpose is to ensure a minimum flow under the reservoir, but it also serves for the energy use and for recreation and water sports. History Early history until the 17th century There are legends accrediting the beginnings of the town to Celtic tribes. In the 1st century A.D. Germanic tribes came, but moved on in the great Germanic migration to the west. In the 6th century the country was settled by Slavs. Some talk about a castle on Úhošť hill that might have been called Wogastisburg where a battle between Franks and Slavs occurred in 631. The battle of Canburg in 805 is also often mentioned in connection with the town, but is a mistake because locality of this name (Canburg – Kanina) is in Central Bohemia. The first written record is, though, of the end of the 12th century – the Czech prince granted the "market town" of Kadaň to the Knights of St. John. Slavic rulers called German settlers into the country, offering them freedom but gaining taxes at the same time. The Knights Hospitaller built the first church in Kadaň, Church of Saint John the Baptist, which still stands in the part of town called Hospitaller Suburb, but is now in the Baroque style. In the 13th century, the town was promoted to a "Royal Town". It began