Not sure what exactly you mean by "functional city" since there is no such place as Quahog, but it's in Rhode Island
Quahog
Quahog general hospital you gay!
April In Quahog
Family Guy.
Hell Comes to Quahog
Did & Do.
Quahog
They get a tank in Hell comes to Quahog!
April In Quahog
Quahog general hospital you gay!
Family Guy - 1999 Valentine's Day in Quahog 11-12 was released on: USA: 10 February 2013
Family Guy - 1999 Valentine's Day in Quahog 11-12 is rated/received certificates of: Canada:PG USA:TV-14
Family Guy - 1999 Hell Comes to Quahog 5-3 is rated/received certificates of: Canada:13+ (Quebec)
Family Guy.
No, the town from Family Guy is entirely fictional.
Hell Comes to Quahog
Only Seth knows for sure why he set Family Guy in the fictitious town of Quahog RI. He did go to art school in Rhode Island so apparently he liked the area.