Zlončice is a municipality and village in Mělník District in the Central Bohemian Region of the Czech Republic. It has about 600 inhabitants.

The hamlet of Dolánky is an administrative part of Zlončice.

The village was originally named Znojčice. The name was derived from the personal name Znoj, meaning "the village of Znoj's people". Due to the proximity of the similarly named village Zlonice, the name was distorted to Zlončice.

Zlončice is located about 13 kilometres (8 mi) north of Prague. It lies in the Prague Plateau. It is situated on a river terrace on the right bank of the Vltava River.

The first written mention of Zlončice is from 1052.

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

Historical population

Year Pop. ±% 1869 216 —     1880 276 +27.8% 1890 329 +19.2% 1900 337 +2.4% 1910 383 +13.6%	Year Pop. ±% 1921 293 −23.5% 1930 375 +28.0% 1950 260 −30.7% 1961 304 +16.9% 1970 213 −29.9%	Year Pop. ±% 1980 199 −6.6% 1991 221 +11.1% 2001 176 −20.4% 2011 541 +207.4% 2021 651 +20.3%
Source: Censuses

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

There are no protected cultural monuments in the municipality.

• Official website