Babylon.
The Tigris and Euphrates rivers were assets to the early peoples of Sumer. They remain important rivers to this day.
Fertile Crescent.
It is located on the banks of the Euphrates
The majority of Neolithic town Sumerian city-states and early empires are located near the Tigris and Euphrates rivers in Mesopotamia. These rivers provided a consistent water source for agriculture and transportation, leading to the development of advanced civilizations in the region.
It was the area of modern Iraq. They became empires. First were the Sumerian followed by the Assyrians. The capital was the city of Nineveh. Then came the Babylon empire which the city was the capital.
No. Alexandria was a city named after Alexander the Great. It became the capital of ancient Egypt after the Ptolemies took over. It was never an empire, just the capital city of one.
The city that was part of all three empires—Roman, Byzantine, and Ottoman—is Constantinople, known today as Istanbul. Founded as Byzantium, it became the capital of the Roman Empire under Emperor Constantine I in 330 AD and was later the center of the Byzantine Empire. Following the Ottoman conquest in 1453, it served as the capital of the Ottoman Empire until its dissolution in the early 20th century. Its strategic location and cultural significance made it a pivotal city throughout history.
Tenochtitlan was the capital city and religious center of the Aztec Civilization
While there was no official "capital" (because of the multiple empires that come and go), one of (if not the) most important trade city in West Africa was Timbuktu.
Edo
The ancient city of Ur was founded on the banks of the Euphrates River
Mexico City is built upon the remains on Tenochtitlan, the Aztec capital from the 1300s to the early 1500s.