Go back to Cerulean City then go east use Cut to get past the tree and keep going east until you reach Rock Tunnel this leads you to Lavendar Town go west from there to reach Celadon City where your 4th gym is.
Its on the southern part of vermillion city.
You can get it in Vermillion City in the house that is next to the Pokemon Center.
Its in VERMILLION city where the S.S. Anne was.
It will not come back.
he is in the gym in vermillion city on fire red and/or leaf green
Vermillion is port city you come into when you first get to Kanto.
there is more than one, one in vermillion city to the left of the Pokemon center, one in fuschia city to the right of the Pokemon center and to the right of the wardens home, one in the vermillion port area which is to the right of vermillion you go to the right of vermillion then go down until you find a house with a blue roof in there is the last guru.
VS. Seeker, it is found in the Pokemon center in vermillion city
it doesn't unfortunately just like in Pokemon fire red and leaf green.
Vermillion City is located below Saffron City. You can get there only after you meet Bill, the Poke'maniac.
vermillion city
you go north of Vermillion City