The Royal town of Slaný (; German: Schlan) is a town in the Central Bohemian Region of the Czech Republic, located about 25 km northwest of Prague. The town is part of the Prague metropolitan area. The town is situated in the Slaný Plain (the northwestern part of a geomorphologic whole called the Prague Plain). A creek called Červený potok (Red creek) flows through it from the southwest to the northeast. Its dominant feature is Slaný Hill.
