Chemnitz is the third-largest city in the Free State of Saxony, Germany. Chemnitz is an independent city which is not part of any county and seat of the Landesdirektion Sachsen. Located in the northern foothills of the Ore Mountains, it is part of the Central German Metropolitan Region. The city's economy is based on the service sector and manufacturing industry. Chemnitz University of Technology has around 10,000 students.EtymologyChemnitz is named after the river Chemnitz, a small tributary of the Zwickauer Mulde. The word "Chemnitz" is from the Sorbian language, and means "stony ". The word is composed of the Slavic word kamen meaning "stone" and the feminine suffix -ica. It is known in Czech as Saská Kamenice. There are many other towns named Kamenica or Kamenice in areas with past or present Slavic settlement.