Empire City

"Empire City" is a metropolis mentioned in "Story for Steven" by Marty to Greg. It has not been seen as of yet, and no information is given about it, other than that it is a large city. It presumably has some type of music scene and/or musical venues.

Trivia

 * Before his falling out with Marty, this was Greg's next stop on his Mr. Universe Tour.
 * Empire City is a common nickname for New York City.
 * The name has been used for many other fictional cities.