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