Alexandria; several times
Alexander the great because he conquered so many city-states.
Babylon
Alexandria was founded by Alexander the Great at 332 BCE in the Nile delta. Alexander's intention was to build a city that would supersede the famous at his time Naucratis a port city 72 kilometers southern than the new city of Alexandria which became the capital city of Ptolemy after the death of Alexander.
There was never a king's dominion at some distance from Alexandria. When the Egyptians Pharaohs ruled, Alexandria did not exist. This city was founded by Alexander the Great when he conquered Egypt. Alexandria then became the capital of Greek rule in Egypt. It became the seat of the king when the rule of the Greek dynasty of the Ptolemies was established eight years after Alexander's conquest. It was established by Ptolemy I, one of Alexander the Great's generals.
Rome and carthalage
Alexander the greats strategy as he established colonies was to treat that colony with kindness.
He established the city on the site of a fishing village. He had himself declared Pharaoh.
Alexander the Great conquered it and established his own in its place.
There are many places in the world named Alexandria, but the city in Egypt was founded by Alexander the Great in c. 331 BC (BCE)
Alexander the great because he conquered so many city-states.
Babylon
If you mean Alexander the great the answer is the city-state of Maceodonia in Ancient Greece.
Pella, Macedonia
Alexandria was founded by Alexander the Great at 332 BCE in the Nile delta. Alexander's intention was to build a city that would supersede the famous at his time Naucratis a port city 72 kilometers southern than the new city of Alexandria which became the capital city of Ptolemy after the death of Alexander.
Persians
After Alexander the Great's death, his generals established 'successor states' . Ptolemy I's Egypt, with Alexandria as capital was probably most important.
There was never a king's dominion at some distance from Alexandria. When the Egyptians Pharaohs ruled, Alexandria did not exist. This city was founded by Alexander the Great when he conquered Egypt. Alexandria then became the capital of Greek rule in Egypt. It became the seat of the king when the rule of the Greek dynasty of the Ptolemies was established eight years after Alexander's conquest. It was established by Ptolemy I, one of Alexander the Great's generals.