Romeopolis, also known as Romeoville, is the dream utopia that refers to Romeo's intended plan on turning Tarabiscoville into his own private city dedicated to himself.

At one point, the dream utopia's establishment temporarily succeeded in "Gekko and the Mayhem at the Museum" with the Big Box of Bad. In the end, the PJ Masks managed to seize control of the city's territory by destroying the Big Box of Bad.

Its main enemies are the PJ Masks and anyone who opposes Romeo's idea on taking over the world.

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