Aussig a. Elbe Ústí nad Labem (németül: Aussig an der Elbe) város, ma Csehországban, az Elba partján. Ez az ország 9. legnagyobb városa.

Postcard of Aussig. Ústí nad Labem (in Czech), formerly known by its German name Aussig, is the 7th-most populous city of the Czech Republic today. It is the capital of its eponymous region and district. Ústí is situated in a mountainous district at the confluence of the Bílina and Elbe rivers. It is a major industrial center and, besides being an active river port, is an important railway junction