Aubange (French pronunciation: [obɑ̃ʒ] ⓘ; German: Ibingen; Luxembourgish: Éibeng; Walloon: Åbindje) is a city and municipality of Wallonia located in the province of Luxembourg, Belgium.

The municipality is French-speaking but most of which falls within the Luxembourgish-speaking Arelerland, adjoins the tripoint where the borders of Belgium, the Grand Duchy of Luxembourg, and France meet.

Aubange is located in the Lorraine region in the south of Belgium just next to France and the Grand Duchy of Luxembourg.

But because of the concurrence of the foreign markets (especially the ones from Asia and Africa), siderurgy as not profitable anymore and all the factories closed one after another in the whole area.

The municipality is crossed by railway lines 165 and 167 and is connected by local train service to the provincial capital Arlon and to neighbouring Luxembourg.