Thionville (French pronunciation:[tjɔ̃vil]; Luxembourgish:Diddenuewen; German:Diedenhofen[diːdn̩ ˈhɔfn̩ ]) is a commune in the Moselle department in Alsace-Champagne-Ardenne-Lorraine in north-eastern France. The city is located on the left bank of the river Moselle, opposite its suburb Yutz.