According to Mordecai's license plate, this show takes place in California. Regular Show only remains the most number of episodes aired so far in Cartoon Network history until it was overtaken by Adventure Time with the 262nd episode "Abstract" since July 17, 2017.

What city does Regular Show take place in?

DC Fandome - The Loop. City is the apparent name for the location of Regular Show. As the name implies, it is simply a city.

Where do Mordecai and Rigby live?

DC Fandome - The Loop

Pops' House is the main subsidiary location of the Park . It was the house that Mordecai, Rigby, and Pops resided during their time at the Park. It consists of an upstairs floor, where Pops, Mordecai and Rigby sleep along with a kitchen and a bathroom with stalls.