A more or less cool term used by more or less cool people, to refer to their hometown, to the town they study in (->unisg.ch), or the town they just like for whatever reason.

THAT TOWN IS "ST. GALLEN" (SANKT GALLEN) IN THE NORTHEAST OF SWITZERLAND, capital of the Canton by the same name.

A term often used on posters and flyers for clubbing in that town.