This statue commemorates a 19th-century music composer Carl Maria von Weber who used to live in Dresden. He is buried in Dresden even though he died in London.
Wikipedia https://de.wikipedia.org/wiki/Zwinger_(Dresden)#Carl-Maria-von-Weber-Denkmal
Address 1A Theaterplatz, Dresden 01067, Germany
Coordinates 51°3'14.361" N 13°44'3.313" E