The Nile River is a river and rivers do not have capitals. Countries have capital cities and the river Nile flows through several different countries along its length.
Egypt lies on Nile river.
Kinshasa, the capital city of the Democratic Republic of the Congo, and Brazzaville, the capital city of the Republic of the Congo, lie across from each other bordering the Congo River.
Khartoum and Omdurman lie across the Nile river from each other.
Utah does not lie next to the Mississippi River, and it's capital, Salt Lake City, is not near any of Utah's borders, anyway.
Cataracts
Kiev
the Mississippi River
Brisbane, the capital of Queensland, Australia lies on the Brisbane River. The river was discovered first, in 1824, and named the Brisbane River after Governor Brisbane, then Governor of New South Wales. When the city was built, it was named after the river.
Yes, many. Memphis, Luxor, Cairo,
Ontario
London, England. The River Thames runs through London.
Omduran,and Khartaum