Zlončice is a municipality and village in Mělník District in the Central Bohemian Region of the Czech Republic.

Zlončice consists of two municipal parts (in brackets population according to the 2021 census):[2] The village was originally named Znojčice.

[3] Zlončice is located about 13 kilometres (8 mi) north of Prague.

[4] A part of Zlončice was badly damaged by the 2002 European floods.

[4] There are no railways or major roads passing through the municipality.