They are stationed in Rockstar Row, with most of the infected animatronics roaming in the atrium in the main attractions (Monty's Gator Golf, Roxy Raceway, Fazerblast, etc.).
-Areas-

Main Camp: Mostly everyone healthy hangs out here

Lab: Mostly GR Freddy, Mao Mao, and Mangle hang out here

Infected Containment: Mostly Roxy, Monty, Sun/Moon, FT Foxy, Mangle, and Puppet hang out here

Animatronic Quarters: Every healthy animatronic charges here

Human Quarters: Every healthy human sleeps here