North Bohemia roughly covers the present-day NUTS regional unit of CZ04 Severozápad and the western part of CZ05 Severovýchod.
In German language usage the term Nordböhmen (North Bohemia) often refers to that part of the Sudetenland once mainly populated by Germans in North Bohemia between Karlovy Vary in the west and the Krkonoše in the east.
The summits of the Jizera Mountains climb to heights of about 1,000 metres above sea level, and the region’s peat bogs have been opened up with interconnecting educational trails.
The national nature reserve of the Jizera Mountain Beechwood Forest (Jizerskohorské bučiny) contains the largest beech woodland in the Czech Republic, covering 27 square kilometres (10 sq mi).
[2] Major cities and towns in North Bohemia include Česká Lípa, Děčín, Jablonec nad Nisou, Liberec, Litoměřice, Most, Ústí nad Labem, Chomutov, Žatec, Terezín, Louny, Karlovy Vary, Cheb, Kadaň, Duchcov and Teplice.