you can get to it through the bike road south of eterna. you have to get a bike first.
You can't, only Sinnoh is available in Diamond.
there is no region after sinnoh in Pokemon diamond and Pokemon pearl.
In Diamond & Pearl's version of the Sinnoh Dex, Pokémon #149 is Dialga.
In Pokemon Diamond, Pearl, and Platinum the region is called Sinnoh.
You can't. Sinnoh is only available in Pokemon Diamond, Pearl and Platinum versions which are set in sinnoh.
you cant bulbasoar is not a sinnoh Pokemon
Burmy
on the sinnoh pokedex its the Pokemon wormadam
You are always in Sinnoh.
Number 111 on the sinnoh poke-dex is garchomp which can be seen in Cinthia's party in Pokemon league. In the national dex it is rhyhorn which is in victory road and stark mountain.
The Sinnoh region is the only region in Pokemon Diamond, although the area in the northeast of Sinnoh is like a mini-region.
The Sinnoh region was one of the Pokemon regions. Sinnoh took place in all 3 of these games: Pokemon Diamond, Pearl, and Platinum.