/usr/share/vim/vim82/keymap
Edit: /usr/share/vim/vim82/keymap/greek.vim (234B)
" Assume 'encoding' is set to "latin1" while actually cp1253 or iso-8859-7 is
" being used
if has("win16") || has("win32") || has("win32unix")
source
:p:h/greek_cp1253.vim
else
source :p:h/greek_iso-8859-7.vim
endif