Březno is a market town in Mladá Boleslav District in the Central Bohemian Region of the Czech Republic.

The market town is situated on the left bank of the Klenice River.

In 1561, during the rule of the Bubna of Litice family, Březno was promoted to a market town, but later it was degraded to a village.

[3] The I/16 road (the section from Mladá Boleslav to Jičín) runs along the northern municipal border.

The complex includes a castle, a historic carriage house and a large park.