From Bulbapedia, the community-driven Pokémon encyclopedia.
The Hoenn League (Japanese: ホウエンリーグ Hōen League) is the regional Pokémon League of the Hoenn region. The Hoenn League is composed of eight Hoenn Gym Leaders and the Hoenn Elite Four members. Pokémon Trainers who earn eight Gym
Badges by defeating the Gym Leaders of the Hoenn League qualify to challenge the Elite Four located in Ever Grande City.
In the anime, Trainers who collect eight Badges can enter the Hoenn League championship competition, known as the Ever Grande Conference.