ancient city; former capital
Refers to a city that was once a capital or has a long historical significance, often used for places like Kyoto or Nara.
Kyoto is known as an ancient capital of Japan.
During summer vacation, I visited an ancient city with my family.
I like strolling through the streets of the old capital.
Kyoto is known worldwide as an ancient capital.
Compound of 古 (old, ancient) and 都 (capital, city). The reading こと is the standard on'yomi combination.