Arghakhanchi (Nepali: अर्घाखाँची जिल्ला Listen )is one of the districts of Lumbini Zone in Nepal. The district headquarters is at Sandhikharka. The district covers an area of 1193 km². Its neighbouring districts are, Palpa in the east, Gulmi in the North, Kapilbastu in the south and Pyuthan in the west.