Plazy is a municipality and village in Mladá Boleslav District in the Central Bohemian Region of the Czech Republic. It has about 500 inhabitants.
Plazy consists of two municipal parts (in brackets population according to the 2021 census):
The name is derived from the word plaz. In old Czech it was an expression for a slippery path.
Plazy is located about east of Mladá Boleslav and northeast of Prague. It lies in a flat agricultural landscape in the JiÃÂÃÂn Uplands.
The first written mention of Plazy is from 1322.
In the eastern part of the municipal territory there is an extensive industrial zone, which partially extends into the territory of neighbouring Mladá Boleslav. The largest company based here is the automotive parts manufacturer Faurecia Interior Systems Bohemia.
The I/16 road (the section from Mladá Boleslav to JiÃÂÃÂn) runs along the southern municipal border.
The main landmark of Plazy is the Church of Saints Simon and Jude. It is a Baroque church built in 1739. It replaced an old church, first mentioned in 1394, which was destroyed by the fall of the newly added tower in 1731.