The Ierul Îngust 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

Ier The Ier or Eriu () is a right tributary of the river Barcău (''Berettyó'') in Romania and Hungary. It discharges into the Barcău in Pocsaj. The Andrid Dam is constructed on this river. The Ier flows through the villages Mihăieni, Eriu-Sâ ...

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 Ier near

Diosig Diosig () is a commune in Bihor County, Crișana, Romania with a population of 6,816 people. It is composed of two villages, Diosig and Ianca (''Jankafalva''). The commune is located in the northwestern part of the county, on the banks of the riv ...

, close to the Hungarian border. Its length is and its basin size is .

References

Rivers of Romania Rivers of Bihor County {{Bihor-river-stub