you cant but you can go to the sevii islands after you beat the game and can go the first three islands after you have won blaine the seventh badge
You can't get to the johto region in firered.
You can't.
You can't go to Johto in Pokemon FireRed or LeafGreen.
You can't.
After getting the national dex you can find johto Pokemon roaming around the sevii islands AKA islands 1-7. Take a look around each island to find all the johto Pokemon, here are some hints where to look: One island, Four island, Five island, Six island, Seven island.
you cant, sorry.
Whirl islands are in the johto region which is not in firered.
No. Johto is not an available region in Pokemon FireRed. You can only explore the region of Kanto and the nine islands surrounding it. Currently, only Pokemon Gold, Silver and Crystal are games which explore Johto.
Yes, after beating the Elite Four, they will be roaming Kanto.
The johto Pokemon from FireRed, LeafGreen, and Emerald can be migrated to the DS. but the older games such as silver and gold do not fit in the DS.
Not any hoenn Pokemon but firered and leafgreen can catch alot of kanto and johto Pokemon ruby and sapphire can and can't.
One Island is only accessible in Pokemon Red, Blue, Green, FireRed, and LeafGreen, although it is possible to access Kanto from Johto after defeating the Elite Four and Champion at Indigo Plateau.