in sinnoh 210
Just go to Pokemon platinum central and click on pokedex and it shows you where to battle all the Pokemon in sinnoh.
Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
Pokemon Platinum has two different Pokedexes: the Sinnoh dex and the National Pokedex. In the Sinnoh dex, #152 is Rotom. In the National Pokedex, it's Chikorita.
Rotom
in sinnoh 210
Just go to Pokemon platinum central and click on pokedex and it shows you where to battle all the Pokemon in sinnoh.
Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
Porygon
Pokemon Platinum has two different Pokedexes: the Sinnoh dex and the National Pokedex. In the Sinnoh dex, #152 is Rotom. In the National Pokedex, it's Chikorita.
Manaphy
Picachu
Rotom
Porygon
in the sinnoh pokedex dusclops, in national pokedex aipom
you get the sinnoh pokedex from professor Rowan afteyou battle the starly with one of the Pokemon in the bag and say yes to the professor and you get the Pokemon and the pokedex.
First complete the sinnoh pokedex, 210 Pokemon