The Detroit City Hall is the city hall of Detroit, Michigan.
During a summer tour, the Ghostbusters stopped in Detroit. They met with the Mayor of Detroit and his aides in his office. He apprised them of the situation at Fort Wayne and made a deal with them in short order.
- A portrait of Mr. Abernathy from the The Real Ghostbusters episode "Don't Forget the Motor City" hangs behind the Mayor
- An Enforcement Droid Series 209 from the Robo-Cop franchise is on the shelf to the left of Peter
- A Robo-Cop bust is under the television set.
- A portrait of Aretha Franklin is also up on the wall
- The Generous Motors from "Don't Forget the Motor City" is on the spine of one of the books on the Mayor's desk