A♭Phrygian
Flat 2nd gives it a Spanish/Middle Eastern flavor.
Scale Notes
A♭4A4B4D♭5E♭5E5G♭5
1 - 2 - 2 - 2 - 1 - 2 - 2 (semitone intervals)
Fretboard
Piano Keyboard
Diatonic Chords in A♭ Phrygian
i
A♭m
A♭ · B · E♭
II
A
A · D♭ · E
III
B
B · E♭ · G♭
iv
D♭m
D♭ · E · A♭
v°
E♭dim
E♭ · G♭ · A
VI
E
E · A♭ · B
vii
G♭m
G♭ · A · D♭