Eutin is birthplace of composer Carl Maria von Weber. To honor him, an open-air theater (') was built in the park of Eutin Castle in 1951. Operas are performed there in July and August during the Eutin Opera Summer Festival ('). The seating capacity of this open-air venue is about 2000. The festival includes music students in Eutin aand students from the University of Kansas in Lawrence, Kansas, US. Lawrence is a twin city with Eutin. 