Hattip to mad_as_he$$ for the link
You can recover Neon (and other gases) from the air anywhere on earth - in theory.
In practice it seems to happen where it can be done cheapest. It's plausible that Ukraine and Russia are at the top of the list due to lower regs, lower taxes and access to cheap electricity.
Close access to industries that use some of the air factions doesn’t hurt either.