Mid-hills region or lesser Himalayas (Pahad) is a middle region between higher Himalayas and terai of Province No. 1 which lies north of terai and south of higher himalayas. It also known as Mahabharat range. The elevation of Mid-hills region ranges from . This region comprises 8 districts of Province No. 1: Panchthar, Tehrathum, Dhankuta, Bhojpur, Khotang, Okhaldhunga and Udayapur.