The Râiosul or Ileana is a left

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

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

References

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