Želízy (German: Schelesen) is a municipality and village in Mělník District in the Central Bohemian Region of the Czech Republic. It has about 500 inhabitants.

The villages of Nové Tupadly and Sitné are administrative parts of Želízy.

The name is derived from the Czech word železo, i.e. 'iron'.

Želízy is located about 7 kilometres (4 mi) north of Mělník and 34 km (21 mi) north of Prague. It lies in the Ralsko Uplands. The highest point is at 328 m (1,076 ft) above sea level. The Liběchovka Stream flows through the municipality. Most of the municipal territory lies in the Kokořínsko – Máchův kraj Protected Landscape Area.

The first written mention of Želízy is from 1360.

In the 19th century, Želízy became a summer resort. 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.

Historical population

Year Pop. ±% 1869 591 —     1880 603 +2.0% 1890 543 −10.0% 1900 527 −2.9% 1910 517 −1.9%	Year Pop. ±% 1921 561 +8.5% 1930 573 +2.1% 1950 570 −0.5% 1961 673 +18.1% 1970 625 −7.1%	Year Pop. ±% 1980 521 −16.6% 1991 461 −11.5% 2001 440 −4.6% 2011 483 +9.8% 2021 491 +1.7%
Source: Censuses

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

Želízy is known for the Čertovy hlavy, sculptures from the first half of the 19th century carved in the sandstone above the village of Želízy.

Most of the village of Sitné is protected by law as a village monument zone for its set of folk architecture wooden houses from the turn of the 18th and 19th centuries.

• Official website