You’ll run into you’uns and we’uns in the Blue Ridge but outside of that region, y’all is pretty universally southern.
I grew up in Baltimore, Maryland and I say “ yall”. But it’s usually followed by a “hon”.
I grew up hearing "fizzy drink" from my Mother.
But the Correct name for a Carbonated Beverage is of course "Soda Pop"
Do transplanted Nooo Yawkers say "Youse'all"? :=)
not you’uns but y’uns( at least by pronunciation)