Želízy (German: Schelesen) is a municipality and village in Mělník District in the Central Bohemian Region of the Czech Republic.

Želízy consists of three municipal parts (in brackets population according to the 2021 census):[2] The name is derived from the Czech word železo, i.e.

Most of the municipal territory lies in the Kokořínsko – Máchův kraj Protected Landscape Area.

In the interwar period it was a popular resort destination visited by hundreds of guests, especially by German-speaking Jews of Prague, including Franz Kafka.

[4] The I/9 road (the section from Mělník to Česká Lípa) passes through the municipality.