Sandgem Town

Sandgem Town is a town found in Pokemon Diamond and Pearl. It is the second town you come to in the game. The first being Twinleaf Town. Sandgem Town has two houses, one of them being the character's other rival's house. It has the Pokemon Lab which is run by Professor Rowan, a Pokemon Center and a Pokemart. This town will be very useful after you beat the Elite Four and get a National Dex. Once you get the National Dex you can go to the house directly below the Pokemon Center. This is the character's other rival's house. Talk to there little sister and she will tell you where a Pokemon Swarm is.