Barre chord
fret 4, E shape466444
A♭m is the A♭ minor chord. Its notes are A♭, C♭ and E♭. It is the same chord as G♯m. The lowered third gives this triad its darker color.
466444
x-11-13-13-12-11
Numbers show frets from the low E string to the high e string; x means don't play that string.
A♭m is the ii chord in G♭ major, the iii chord in E major and the vi chord in B major. That makes it a natural fit in songs written in those keys.
Every A♭, C♭ and E♭ on the first 12 frets. The filled dots are the root, A♭. Build your own shape from any nearby group.
Other A♭ chords
Other minor chords