The Ural River and Ural Mountains are often used to designate the European part of Russia from the Asian part.
The Ural Mountains, The Ural River, and the Caspian Sea
The Most important river for Eastern Europes transportation is the Danube River.
Eastern U.S.A.
The southern half of the eastern boundary of Alabama is the Chattahoochee River.
The Connecticut River
Two rivers partially form Illinois State's Eastern boundary. The Wabash River is one river that forms Illinois' boundary. The Ohio River is the other river that forms the state's boundary.
the river is the Indus river :)
chattahoochee river
The Mississippi River forms the western boundary of the State of Illinois.
The Mississippi River is the East boundary for Arkansas.
Red River
Mississippi