Man pages matching name chgrp in section 1:

chgrp.1.en	debian 10 / coreutils
chgrp.1.de	debian 10 / manpages-de
chgrp.1.es	debian 10 / manpages-es
chgrp.1.hu	debian 10 / manpages-hu
chgrp.1.ja	debian 10 / manpages-ja
chgrp.1.pl	debian 10 / manpages-pl
chgrp.1.pt	debian 10 / manpages-pt
chgrp.1.tr	debian 10 / manpages-tr
chgrp.1.zh_CN	debian 10 / manpages-zh
chgrp.1.zh_TW	debian 10 / manpages-zh
chgrp.1.en	debian 11 / coreutils
chgrp.1.de	debian 11 / manpages-de
chgrp.1.es	debian 11 / manpages-es
chgrp.1.fr	debian 11 / manpages-fr
chgrp.1.hu	debian 11 / manpages-hu
chgrp.1.ja	debian 11 / manpages-ja
chgrp.1.nl	debian 11 / manpages-nl
chgrp.1.pl	debian 11 / manpages-pl
chgrp.1.pt	debian 11 / manpages-pt
chgrp.1.tr	debian 11 / manpages-tr
chgrp.1.zh_CN	debian 11 / manpages-zh
chgrp.1.zh_TW	debian 11 / manpages-zh
chgrp.1.en	debian 12 / coreutils
chgrp.1.cs	debian 12 / manpages-cs
chgrp.1.da	debian 12 / manpages-da
chgrp.1.de	debian 12 / manpages-de
chgrp.1.es	debian 12 / manpages-es
chgrp.1.fi	debian 12 / manpages-fi
chgrp.1.fr	debian 12 / manpages-fr
chgrp.1.hu	debian 12 / manpages-hu
chgrp.1.ja	debian 12 / manpages-ja
chgrp.1.nb	debian 12 / manpages-nb
chgrp.1.nl	debian 12 / manpages-nl
chgrp.1.pl	debian 12 / manpages-pl
chgrp.1.pt_BR	debian 12 / manpages-pt-br
chgrp.1.ro	debian 12 / manpages-ro
chgrp.1.sr	debian 12 / manpages-sr
chgrp.1.sv	debian 12 / manpages-sv
chgrp.1.tr	debian 12 / manpages-tr
chgrp.1.vi	debian 12 / manpages-vi
chgrp.1.zh_CN	debian 12 / manpages-zh
chgrp.1.zh_TW	debian 12 / manpages-zh