Beat the rest of the gym leaders before mahogany town and help amphrados from olivine city
Pokemon center.
Upstairs of any pokemon center
A place to trade Pokemon with people around the world
In the Pokemon center and it evolves into ALAKAZAM!
they are in Ecruteak City, in the house behind the Pokemon center
It is in the house next to the Pokemon Center in Olivine City.
you go to the pc at the pokemon center then you do it from there
in a Pokemon center 2nd floor
not for emerald but for Pokemon silver for Gba
building near Pokemon center on cinnabar island
You have Wifi battles in the bottom level of the Pokemon center
There is a Pokemon Center in almost every city in Johto and Kanto. Whenever you use the HM fly the bird Pokemon almost always drops you of directly in front of the Pokemon Center in that town or city.