Köthen is a town located in the state of Saxony-Anhalt, Germany. It is known for its rich history and beautiful architecture, including the Köthen Castle, which dates back to the 16th century. The town is also famous for its connection to the composer Johann Sebastian Bach, who worked there in the early 18th century. The population of Köthen is around 25,000 residents, making it a small but vibrant community. The town features several parks and recreational areas, providing residents and visitors with opportunities for outdoor activities. Köthen is well-connected by road and rail, making it accessible for travelers exploring the region.