Sinnoh is a region in the Pokémon franchise and is the setting for the fourth generation of Pokémon games, including Pokémon Diamond, Pearl, and Platinum. Sinnoh is located in the northern part of the Pokémon world and is known for its diverse geography, including forests, mountains, and oceans.
In Sinnoh, players take on the role of a young trainer who sets out on a journey to collect Gym Badges, battle the Elite Four, and eventually become the Champion of the Pokémon League. Along the way, players encounter new species of Pokémon and new trainers to battle, as well as new towns and cities to explore.
Sinnoh is also home to several notable locations, including the city of Twinleaf, the birthplace of the player character, and the Pokémon League, where players battle the Elite Four and Champion to become the Champion of Sinnoh. The region is also known for its diverse and challenging geography, which includes forests, mountains, and oceans, and the player must traverse these various environments in order to complete their journey.
One of the notable features of Sinnoh is the introduction of new gameplay mechanics, including the concept of “Rotation Battles,” which allows players to use three Pokémon at a time and switch between them during battle, and the introduction of “Physical/Special Split,” which changes the way that moves are categorized and the way they affect Pokémon in battle.