Man pages matching name hostname in section 7:

hostname.7.en	debian 10 / manpages
hostname.7.ja	debian 10 / manpages-ja
hostname.7.en	debian 11 / manpages
hostname.7.ja	debian 11 / manpages-ja
hostname.7.en	debian 12 / manpages
hostname.7.es	debian 12 / manpages-es
hostname.7.fr	debian 12 / manpages-fr
hostname.7.ja	debian 12 / manpages-ja
hostname.7.ru	debian 12 / manpages-ru