Penguin City is the most populous city based in Club Penguin Island. Many citizens such as Agent Titanium and Agent Omega X live here. Ballono was inspired by the idea of this city and decided to make a small city/town called Catworld.

Penguin City
Government Type Republic-type
Governor Unknown
Time Active Since 20 years
Currency Coins
Major Locations Town, Plaza, Snow Forts
Minor Locations Pizza Parlor, Gift Shop, Dance Club, Pet Shop
Inhabitants Penguins, fish, sharks (rarely)