Where was Kōhaku Uta Gassen filmed?

Japanese television program by NHK

Kōhaku Uta Gassen (1951–) was filmed in Tokyo, Chiyoda, Tokyo International Forum, NHK Hall, Tokyo Takarazuka Theater and NHK Tōkyō Hōsō kaikan, 6 places named in its Wikipedia article, 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