| major scale in other keys: | Cb | C | C# | Db | D | Eb | E | F | F# | Gb | G | Ab | A | Bb | B |
G flat major scale (Gb)Relative minor scale of G flat major is E flat minor scale |
location on piano keyboard (one octave)  |
remark: the notes of the G flat major scale actually are the same as the notes of the F sharp major scale, while the key signature and the notations are different.
The figures below the staff (sheet music) represent the tablature for guitar players.