Jablonec nad Nisou (Czech pronunciation: [ˈjablonɛts ˈnad ɲɪsou̯]; German: Gablonz an der Neiße), known locally as Jablonec, is a town in northern Bohemia, the second largest town of the Liberec Region. It is a mountain resort in the Jizera Mountains, and also a local centre for education, and is known for its glass and jewellery production. From 1938 to 1945 it was one of the municipalities in Sudetenland.