If you go from Goldenrod city to the south you'll find the daycare if that's what you mean.
Olivine city
generator for what?
in mahgony town
it is in Eukreteak City.
Blackthorn City in Johoto
It is in lavender town :P
its Pokemon heart gold and you surf east of newbark town
Surf on the river in New Bark Town. The road's pretty straightforward from there.
You can catch Slowpoke in Pokemon Gold in the Slowpoke Well that is by Azalea Town and you can also find them in Tohjo Falls.
To get the HM whirpool in Pokemon gold, you have to help Lance shut down Team Rocket's generators in Mahogany Town.
Route 44, East of Mahogany Town. !
Go west of Mahogany town.