Jablonné v Podještědí (until 1946 Německé Jablonné; German: (Deutsch) Gabel) is a town in Liberec District in the Liberec Region of the Czech Republic. It has about 3,700 inhabitants. The town is located on the border between the Ralsko Uplands and Lusatian Mountains, on the border with Germany. Jablonné v Podještědí was founded in the 12th century. The historic town centre is well preserved and is protected as an urban monument zone. The main landmarks are the Basilica of Saints Lawrence and Zdislava and the Lemberk Castle, both protected as national cultural monuments.