Phnom Penh

City · 1372 CE · in Southeast Asia

Capital of Kingdom of Cambodia (1956–today), People's Republic of Kampuchea (1979–1989).

Free City of Frankfurt (1372–1866 CE): Capital of Confederation of the Rhine (1809–1813), German Confederation (1815–1863).
Bago (c. 1369 CE): Capital of Hanthawaddy Kingdom (1369–1539), First Toungoo Empire (1539–1599).
Inwa (c. 1375 CE): Capital of Ava Kingdom (1375–1528), Konbaung Dynasty (1752–1819).
Ercis (c. 1375 CE): Capital of Qara Qoyunlu (1375–1467).
Mukim Kota Batu (c. 1368 CE): Capital of Sultanate of Brunei (1368–1888).
Vidin (c. 1363 CE): Capital of Despotate of Vidin (1363–1396).
Luang Prabang (c. 1363 CE): Capital of Lan Xang (1363–1560), Kingdom of Laos (1956–1975).
Lutherstadt Wittenberg (c. 1363 CE): Capital of Electorate of Saxony (1363–1547).
Kavarna (c. 1363 CE): Capital of Despotate of Dobruja (1363–1394).
Donwun (c. 1363 CE): Capital of Hanthawaddy Kingdom (1363–1369).

Around the same time and place

Ayutthaya (1351–1767 CE): Capital of the Siamese kingdom of Ayutthaya, founded in 1351, which became one of the largest and most cosmopolitan cities in Asia before it was destroyed by Burmese forces in 1767.
Malacca Sultanate (c. 1400–1511 CE): Sultanate founded by Parameswara around 1400 that became the leading entrepôt of the Strait of Malacca and helped spread Islam through the archipelago.
Sukhothai Kingdom (1238–1438 CE): Early Thai kingdom founded in 1238, regarded in Thai tradition as the cradle of Thai civilisation; it was later absorbed by Ayutthaya.
Lan Xang (1353–1707 CE): Lao kingdom founded by Fa Ngum in 1353, with its early capital at Luang Prabang; it split into rival kingdoms from 1707.
Malacca (1396 CE): Capital of Sultanate of Malacca (1459–1511).
Champa (c. 192–1832 CE): Collection of Cham polities along the coast of central and southern Vietnam, founded around 192 CE and gradually absorbed by Dai Viet.
Sagaing (c. 1326 CE): Capital of Sagaing Kingdom (1326–1364).
Jambi (1401 CE): Capital of Sultanate of Jambi (1670–1904).