Zlonín is a municipality and village in Prague-East District in the Central Bohemian Region of the Czech Republic.

It lies in a flat agricultural landscape of the Central Elbe Table.

The first written mention of Zlonín is from 1367, when the village was owned by the Vyšehrad Chapter.

From 1578 until the establishment of a sovereign municipality in the mid-19th century, Zlonín belonged to the Dejvice estate and shared its owners.

[3] As of 2024, with an average age of 30.9 years, the municipality has the youngest population in the country.