Where was Hanzawa Naoki filmed?

Book Series wrote by Jun Ikeido, also adapted to others medias

Hanzawa Naoki (2013–) was filmed in Tokyo, Osaka, Shinjuku, Shibuya, Minato, Chiyoda and 15 more places, 21 places named in its Chinese Wikipedia’s 主要外景地 section, in Japan. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data