Metz is a city in northeast France located at the confluence of the Moselle and the Seille rivers. Metz is the prefecture of the Moselle department and the seat of the parliament of the Grand Est region. Located near the tripoint along the junction of France, Germany, and Luxembourg, the city forms a central place of the European Greater Region and the SaarLorLux euroregion. Metz has a rich 3,000-year-history, Because of its historical, cultural, and architectural background, Metz has been submitted on Frances UNESCO World Heritage Tentative List. The city features noteworthy buildings such as the Gothic Saint-Stephen Cathedral with its largest expanse of stained-glass windows in the world, Metz is home to some world-class venues including the Arsenal Concert Hall and the Centre Pompidou-Metz museum. A basin of urban ecology, A historic garrison town, Metz is the economic heart of the Lorraine region, specialising in information technology and automotive industries. Metz is home to the University of Lorraine and a centre for applied research and development in the materials sector, notably in metallurgy and metallography, the heritage of the Lorraine regions past in the iron and steel industry.