Gablonz an der Neiße is a place, that after the Treaty of Saint-Germain belonged to Czechoslovakia and was situated in the administrative region Jablonec nad Nisou.
Gablonz an der Neiße was formerly part of the German Empire. In the German Empire, the place was called Gablonz an der Neiße. The place is now called Jablonec nad Nisou and belongs to Czech Republic.