Largest Cities in history by time period.

For those running City campaigns in a Mythic earth setting. Or World of Darkness

antiquity

Memphis Egypt      3100 B.C. https ://en.wikipedia.org/wiki/Memphis,_Egypt   First at 30,000

Akkad Babylonia     2240 B.C en.wikipedia.org/wiki/Akkad_(city)

Lagash Babylonia    2075 B.C. en.wikipedia.org/wiki/Lagash

Ur Babylonia           2030 B.C en.wikipedia.org/wiki/Ur First at 65,000

Thebes Egypt         1980 B.C. en.wikipedia.org/wiki/Thebes,_Egypt

Babylon Babylonia  1770 B.C. en.wikipedia.org/wiki/Babylon

Avaris Egypt 1670 B.C. en.wikipedia.org/wiki/Avaris

Ninevah Assyria 668 B.C. en.wikipedia.org/wiki/Nineveh

Alexandria Egypt  320 B.C en.wikipedia.org/wiki/Alexandria

Pataliputra India 300 B.C. en.wikipedia.org/wiki/Pataliputra

Xi' an China 195 B.C. en.wikipedia.org/wiki/Xi%27an

Rome , Rome 25 B.C. en.wikipedia.org/wiki/Rome

Constantinople Bzyantium 340 B.C.https://en.wikipedia.org/wiki/Constantinople

Baghdad 775 A.D. en.wikipedia.org/wiki/Baghdad  first at a million

Hangzhou China 1180 A.D.  en.wikipedia.org/wiki/Hangzhou 255,000

Special mention Cahokia North America en.wikipedia.org/wiki/Cahokia  never quite makes the list, but a very D&D able area.

Top 10 1500

Bejing China 672 000 en.wikipedia.org/wiki/Beijing

Vijayanagara India 500, 000 en.wikipedia.org/wiki/Vijayanagara

Cairo Egypt 400,000 en.wikipedia.org/wiki/Cairo

Hangzhou China 250, 000 (as above)

Tabriz Iran 250, 000 en.wikipedia.org/wiki/Tabriz

Constantinople Ottoman Empire. (as above)

Paris France 185,000 en.wikipedia.org/wiki/Paris

Guangzhou China 150, 000 en.wikipedia.org/wiki/Guangzhou

Nanjing China en.wikipedia.org/wiki/Nanjing