Author Id: 12263
Author Name: Loony Boo♪
Post Content: [SPOILER="Coordenadas"]0x01 = Player's House
0x02 = Viridian City
0x03 = Pewter City
0x04 = Cerulean City
0x05 = Lavender Town
0x06 = Vermilion City
0x07 = Celadon City
0x08 = Fuchsia City 
0x09 = Cinnabar Island
0x0A = Indigo Plateau/Pokemon League Entrance
0x0B = Saffron City
0x0C = Route 4/Mt. Moon Entrance
0x0D = Route 10/Rock Tunnel Entrance
0x0E = One Island
0x0F = Two Island
0x10 = Three Island
0x11 = Four Island
0x12 = Five Island
0x13 = Seven Island
0x14 = Six Island[/SPOILER]

No puedes especificar el punto en el que aparecerá, o al menos, no que yo recuerde.