/usr/share/X11/xkb/geometry/ is in xkb-data 2.19-1+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/X11/xkb/geometry/README
/usr/share/X11/xkb/geometry/amiga
/usr/share/X11/xkb/geometry/ataritt
/usr/share/X11/xkb/geometry/chicony
/usr/share/X11/xkb/geometry/dell
/usr/share/X11/xkb/geometry/digital_vndr/
/usr/share/X11/xkb/geometry/digital_vndr/lk
/usr/share/X11/xkb/geometry/digital_vndr/pc
/usr/share/X11/xkb/geometry/digital_vndr/unix
/usr/share/X11/xkb/geometry/everex
/usr/share/X11/xkb/geometry/fujitsu
/usr/share/X11/xkb/geometry/hhk
/usr/share/X11/xkb/geometry/hp
/usr/share/X11/xkb/geometry/keytronic
/usr/share/X11/xkb/geometry/kinesis
/usr/share/X11/xkb/geometry/macintosh
/usr/share/X11/xkb/geometry/microsoft
/usr/share/X11/xkb/geometry/nec
/usr/share/X11/xkb/geometry/nokia
/usr/share/X11/xkb/geometry/northgate
/usr/share/X11/xkb/geometry/pc
/usr/share/X11/xkb/geometry/sanwa
/usr/share/X11/xkb/geometry/sgi_vndr/
/usr/share/X11/xkb/geometry/sgi_vndr/O2
/usr/share/X11/xkb/geometry/sgi_vndr/indigo
/usr/share/X11/xkb/geometry/sgi_vndr/indy
/usr/share/X11/xkb/geometry/sony
/usr/share/X11/xkb/geometry/sun
/usr/share/X11/xkb/geometry/teck
/usr/share/X11/xkb/geometry/thinkpad
/usr/share/X11/xkb/geometry/typematrix
/usr/share/X11/xkb/geometry/winbook