Chemnitz is a city in Germany. It is in the state of Saxony. In 2006, about 245,000 people lived there.
During the partition of Germany Chemnitz was in East Germany. From 1953 to 1990 Chemnitz was called Karl-Marx-Stadt. The name was in reference to the social reformer Karl Marx. Now the city has its old name. This name is from the river that flows through it.