The Adona is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or 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 drain the surrounding drainag ...

of the river Peța in

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, a ...

. It flows into the Peța in

Oradea Oradea (, , ; german: Großwardein ; hu, Nagyvárad ) is a city in Romania, located in Crișana, a sub-region of Transylvania. The seat of Bihor County, Oradea is one of the most important economic, social and cultural centers in the western par ...

References

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