The Hoenn League is a Pokémon competition held in the Hoenn region, featuring trainers who aim to become Pokémon Champions. It consists of various Gym battles, where trainers earn badges by defeating Gym Leaders. Once a trainer collects all eight badges, they can challenge the Elite Four and the Champion to prove their skills. The league is part of the larger Pokémon world, which includes other regions like Kanto, Johto, and Sinnoh. Notable characters in the Hoenn League include May, Brendan, and Wallace, who play significant roles in the storyline and battles throughout the region.