League City is the name for nearly every town that arises around a Open League Range. One is as likely to say "You must come from the League Cities" as, "You must come from League City." Maybe the variable is how well-traveled they are.
League Cities have their own Leaguer Culture distinct from most North Americans, members being known as Leaguers.
The largest one of them is Henderson.
These are the true slums of the slums. Many people are still unemployed, hoping to get a bit of the Applicants' money in whatever way they can.