The Coșei is a right
tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
of the river
Maja in
Romania
Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...
. It flows into the Maja in
Bogdand. Its length is and its basin size is .
References
Rivers of Romania
Rivers of Sălaj County
Rivers of Satu Mare County
{{Sălaj-river-stub