'Love and Hip Hop' Star Yung Berg -- Arrested for GF Attack ... Obstruction of Breathing

EXCLUSIVE

Yung Berg -- the rapper who stars on "Love and Hip Hop L.A." -- was arrested in NYC early Wednesday AM for allegedly brutalizing his girlfriend, and the charge is "obstruction of breathing" ... TMZ has learned.

Berg -- aka Hitmaka -- and the woman were at the Gershwin Hotel when they got in an argument and he allegedly grabbed her by the neck, threw her to the floor, dragged her by her hair and hit her in the face.

Apparently the neck grab was enough for the breathing obstruction charge.

When cops came, the woman had bruises and complained she was in pain.

He's currently in custody.