There are a number of cities across the Mississippi River in Illinois. Edwardsville is across the Mississippi River from St. Louis.
Quincy, Illinois
No, East Saint Louis is a city in Illinois across the river from Saint Louis, Missouri.
Both the Illinois & Missouri rivers join the Mississippi river near St. Louis, Missouri.
Missouri RiverMissouri River; Illinois River
Ohio
In east-central Missouri, on the Mississippi River just south of the confluence with the Missouri River. It is about midway between Iowa and Arkansas, across the Mississippi River from Illinois.
Missouri is bordered by Iowa to the north; Illinois, Kentucky, and Tennessee across the Mississippi River to the east; Arkansas to the south; and Nebraska across the Missouri River, Oklahoma, and Kansas to the west.
Illinois is farther east, as its western border is mostly on the east bank of the Mississippi River, while across the river to the west are Iowa and Missouri.
The present day state where you can find the city of Cahokia is Illinois. Cahokia was a pre-Columbian Native American city located near present-day Collinsville, Illinois. It was the largest and most influential urban settlement of the Mississippian culture.
Quincy
East Saint Louis is Illinois, on the east side of the Mississippi River, opposite Saint Louis, which is in Missouri.
Missouri is bordered by Illinois across the Mississippi River to the east; Arkansas to the south; and and Kansas to the west.
No, St. Louis, Missouri, USA, is not a coastal city. The nearest large body (well, bodies) of water to St. Louis are the Great Lakes. The river that run through St Louis, Missouri is the Mississippi river. The Missouri river confluence with the Mississippi is about 6 miles north of downtown St Louis.