You have to go through Diglett cave.
Yes, but that's the last gym u have to go pass that
go through vridian forest once you pass the Pokemon day care your at golden rod
ecruteak city
Blackthorn City is a location in the game Pokemon Gold. To get there, you have to go through the Ice Path.
Cianwood City
Cianwood city.
Blackthorne city is not in Pokemon Diamond but in Pokemon Heart Gold/Soul Silver
in olivine city
The Pokemon League isn't in a city. The Pokemon League is on a place of its own. It is above victory road, and is east of Blackthorn city.
Aliza town
You can't get it STUPID!
you can get dratini in game corner in goldenrod city.