Barre chord
fret 6, A shapex68686
E♭7 is the E♭ dominant 7 chord. Its notes are E♭, G, B♭ and D♭. It is the same chord as D♯7. A major triad with a flat seventh. Try G7 resolving to C.
x68686
11-13-11-12-11-11
Numbers show frets from the low E string to the high e string; x means don't play that string.
E♭7 is the V7 chord in A♭ major. That makes it a natural fit in songs written in those keys.
Every E♭, G, B♭ and D♭ on the first 12 frets. The filled dots are the root, E♭. Build your own shape from any nearby group.
Other E♭ chords
Other dominant 7 chords