（UPDATE February 5,2020 | UP March 7,2014）
Compare us to other major metropolises...No.1 Hamamatsu, No.2 Shizuoka, No.3 Sapporo, No.4 Hiroshima, No.5 Kyoto, No.6 Okayama, No.7 Sendai, No.8 Nigata, No.9 Kobe, No.10 Kita-kyushu, No.11 Yokohama, No.12 Kumamoto, No.13 Fukuoka, No.14 Sagamihara, No.15 Nagoya, No.16 Chiba, No.17 Osaka, No.18 Saitama No.19 Sakai, No.20 Kawasaki
[Sources] Land Area Survey For Japanese Districts, Cities and Prefectures(as of Oct.1, 2020)
published by the Geospatial Information Authority of Japan.
* Land areas for (1) Hamamatsu, (2) Shizuoka,（9）Tokyo, (10) Kobe, (16) Nagoya and (18) Osaka
were rough estimates (values for reference) for convenience because certain boundaries have yet to
* 21metropolises : 20 metropolises and Tokyo’s 23 wards.