The Râiosul or Ileana is a left

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

Câlniștea The Câlniștea is a right tributary of the river Neajlov in Romania. It discharges into the Neajlov in Călugăreni. Its length is and its basin size is .Angheluță Vădineanu, Carmen Postolache, Georgia Cosor, Teodora Pălărie, Costel Negrei ...

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 Câlniștea in Naipu. Its length is and its basin size is .

References

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