What is the meaning of 東京?

(~都) Tokyo (a prefecture, the capital city of Japan)

Old name for 開封开封 (Kāifēng).

Old name for 河內河内 (Hénèi).

Tonkin

the eastern capital (in situations where dual capitals existed)

Tokyo (a prefecture, the capital city of Japan, consisting of 23 special wards)

Short for 東京都 (Tōkyō-to): the capital prefecture of Japan

Short for 東京駅 (Tōkyō-eki): Tokyo Station

Short for 東京府 (Tōkyō-fu): the historical Tokyo Prefecture from 1868–1943

a surname

an eastern capital

the capital of 東漢 (Tōkan, Eastern Han) or 後漢 (Gokan, Later Han), corresponds to modern Luoyang

the capital of 北宋 (Hokusō, Northern Song), corresponds to modern Kaifeng

the eastern capital of the Jurchen Jin dynasty, corresponds to modern Liaoyang

the capital of Yongwon province in Balhae during the Tang dynasty

Dated spelling of とうきょう (Tōkyō) above

Tonkin (northern region of Vietnam)

hanja form of 동경 (alternative name of Tokyo)

Tokyo (a prefecture, the capital city of Japan, consisting of 23 special wards)

chữ Hán form of Đông Kinh (former name of Hanoi, Tonkin; Tokyo).

Source: wiktionary.org