you find it at map 5 or at that place with electric Pokemon
You don't.
Registeel is a Steel type pokemon.
You can't find registeel in Pokemon HeartGold.
Registeel is not catch able in Pokemon LeafGreen. In order to get a Registeel you will need to trade for one from Pokemon Ruby or Sapphire.
You can't find Registeel in Pokemon Platnium. You just migrate it in Pokemon Ruby, Pokemon Sapphire, and Pokemon Emerald.
Registeel is unobtainable from Pokemon Diamond and Pearl. You have to migrate it from Pokemon Ruby, Sapphire, or Emerald.
You can only get registeel in ruby and sapphire and emerald.
Registeel
no you can not
you cant get registeele in Pokemon diamond
You can not capture him in pokemon black
the Pokemon that is after Registeel in the ranger browser is Regigigas ( you can only get him after you capture all 266 other Pokemon )