- A castle in the town of Celle, between Hannover and Hamburg,that contains the oldest theater in Germany. The baroque theater seats330 and was opened in 1674, mostly as a venue for opera. Plays werepresented for the Hannoverian Court each summer until 1705. It wasreopened in 1772, drawing such stars as Sophia Schroder (1714 - 92).The theater fell into general disuse during the 19th century but in1935 was restored with an expanded stage and modern scenery; it escapeddamage during World War II. In 1950 a permanent repertory companytook up residence. see also Český Krumlov.