↑ Since map was made the following additional cities were divided into wards: Hamamatsu (between Nagoya and Shizuoka), Okayama (between Hiroshima and Kobe) and Sapporo and Kumamoto.
Other websites
"Large City System of Japan"(PDF). Archived from the original(PDF) on 2019-09-17.; graphic shows wards compared with other Japanese city types at p. 1 [PDF 7 of 40]