|Elevation||130 m (427 ft)|
|Area||23.809 km2 (9.193 sq mi)|
|Population||7,398 (31 December 2005)|
|Density||311 / km2 (805 / sq mi)|
|- summer (DST)||CEST (UTC+2)|
|Postal code||077 01|
The town was first mentioned in 1214 as Helmech. After the break-up of Austria-Hungary in 1918 dismantling Kingdom of Hungary in the Treaty of Trianon, the town was annexed by Czechoslovakia. It belonged again to Hungary from 1938 to 1945 as a result of the First Vienna Award.
Kráľovský Chlmec lies at an altitude of 130 metres (427 ft) above sea level and covers an area of 23.08 square kilometres (8.9 sq mi). It is located in the southern part of the Eastern Slovak Lowland, only around 5 kilometres (3 mi) north of Hungarian and 12 kilometres (7 mi) west of Ukrainian border. The regional capital Košice is 90 kilometres (56 mi) away.
Gymnázium Kráľovský Chlmec The Royal Grammar School Chlmec opened in 1949.
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- Official website (Slovak) (Hungarian)
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