Nymphenburg (nümˈfənbŏrkh) [key], group of châteaus and a large park, Munich, Bavaria, S Germany. The main building is the Nymphenburg château (built 1664–1728), which belonged to the dukes (later kings) of Bavaria. Also noteworthy is Amalienburg (1734–39), a small baroque hunting château designed by François de Cuvilliés. A famous porcelain factory was founded at Nymphenburg in 1747. By the Treaty of Nymphenburg (1741) Spain promised Charles Albert of Bavaria (see Charles VII, emperor) its support in his attempt to secure the imperial election.