Material：
Map Kanji 京 in City Names En
PDF
Commentary：
Kanji
京 (
Hiragana: きょう
Romaji: Kyo-u) means Capital City, Walled City, or Higher Land. East Asia nations used 京 to describe the locations of their capital cities.
東京 (
Hiragana: とうきょう
Romaji: To-u-kyo-u) is the capital of Japan.
京都 (
Hiragana: きょうと
Romaji: Kyo-u-to) is the ancient capital of Japan.
京畿道 (
Hiragana: けいきどう
Romaji: Ke-i-ki-do-u
Korean: 경기도) is the capital province of Korea.
北京 (
Hiragana: ぺきん
Romaji: Pe-ki-nn
Chinese: Bei-jing) is the capital of China.
南京 (
Hiragana: なんきん
Romaji: Na-nn-ki-nn
Chinese: Nan-jing) is the ancient capital of China.
Further study：
Japan Ministry of Education (文部科学省).
学習指導要領 生きる力. 2017.
Republic of Korea Ministry of Education (대한민국
교육부).
People's Republic of China Ministry of Education (
中华人民共和国教育部). Tōngyòng Guīfàn Hànzì Biǎo (通用规范汉字表). 2013.
U.S. Department of Education (アメリカ合衆国教育省).