Wikipedia EN Kamnitz/Kamenice
The Kamenice (German: Kamnitz) is a river in the Czech Republic, a right tributary of the Elbe River. It originates in the Liberec Region, but flows mostly through the Ústí nad Labem Region. It is 37.7 km (23.4 mi) long.
Source: Wikipedia https://en.wikipedia.org/wiki/Kamenice_(Elbe)