Afaict, the Region & Language Settings dialog doesn't exist.
$ grep Region /usr/share/applications/*.desktop /usr/share/applications/gnome-region-panel.desktop:Name=Region and Language
$ grep Exec /usr/share/applications/gnome-region-panel.desktop Exec=gnome-control-center region
$ gnome-control-center region
(gnome-control-center:12420): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
** (gnome-control-center:12420): WARNING **: Could not find settings panel "region"
** (gnome-control-center:12420): WARNING **: Could not load setting panel "region": Unknown error
Afaict, the Region & Language Settings dialog doesn't exist.
$ grep Region /usr/share/ applications/ *.desktop applications/ gnome-region- panel.desktop: Name=Region and Language
/usr/share/
$ grep Exec /usr/share/ applications/ gnome-region- panel.desktop control- center region
Exec=gnome-
$ gnome-control- center region
(gnome- control- center: 12420): GLib-GObject- CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
** (gnome- control- center: 12420): WARNING **: Could not find settings panel "region"
** (gnome- control- center: 12420): WARNING **: Could not load setting panel "region": Unknown error