Mauville City is located in central Hoenn, and a hub for travelers throughout the region. Its motto is "The Bright and Shiny City of Fun!"

The roads of the town stretch north to Route 111, west to Route 117 and Verdanturf Town, east to a beach on Route 118, and south to Route 110. Because of the central location, all sorts of people travel through the town. Wattson is the Gym Leader and founder of Mauville. He originally had plans to do a complete overhaul of the town, but abandoned them. He specializes in Electric-type Pokémon.

The Mauville Game Corner also draws tourists in. At the Game Corner, people can gamble coins on slots or roulette. This game corner houses two roulette wheels and sixteen slot machines.