Pokemon: Everything In The Johto Region Changed In HeartGold & SoulSilver

Johto changed a lot from Gen II to IV. These are the most notable found in the remake.

Pokémon Gold and Silver (Video Game) - TV Tropes

Return to Pokemon Gold and Silver

Pokemon HeartGold & SoulSilver: The Official Pokemon Johto Guide & Johto Pokedex: Official Strategy Guide (Prima Official Game Guide): The Pokemon Company Intl.: 9780307468031: : Books

Pokémon Heart Gold & Soul Silver - Hoenn & Sinnoh Pokémon

Pokémon HeartGold and SoulSilver Pokédex - Bulbapedia, the community-driven Pokémon encyclopedia

Is Pokemon Let's Go Johto coming in 2020? - Dexerto

Pokémon HeartGold and SoulSilver - Wikipedia

So by this logic Johto remakes next? : r/pokemon

Pokemon HeartGold & SoulSilver: The Official Pokemon Johto Guide & Johto Pokedex: Official Strategy Guide (Prima Official Game Guide): The Pokemon Company Intl.: 9780307468031: : Books