catch girtina
You can get him/her on route 224
First, go to the Pokemon Leauge.Then, right above the Pokemon League is route 224
lapras
you can battle them on routes 224 and 230 in platinum
route 224. {flower paridise}
route 224
Route 224 Poke Radar
the flower paradise on route 224
Route 222 or 224.
They swarm occasionally on route 224
You can't access Route 224 until professor Oak upgrades your Pokemon. Then go east of Victory Road. Route 224 is the eastmost Route in Diamond Pearl and Platinum.
Get Regigegas from the giveaway and go into the cave on route 224