Geography of Province No. 1

Province No. 1 covers an area of . It is located at easternmost part of Nepal bordering by Tibet Autonomous Region of China in north Bagmati Pradesh in west, Province No. 2 in south-west, Bihar of India in south, North Bengal of India in south-east and Sikkim of India in north-east. Sikkim and part of North Bengal of India forms ethno-linguistic relation with Nepal. Geography of Province No. 1 in eastern Nepal is very diverse, of highest peaks of Himalayas in northern extremes to terai region to south. It lies between 86 degree 1 minute and 88 degree 3 minutes east longitude and 28 degree 2 minutes and 26 degree 3 minutes north longitude. Biratnagar, the industrial capital of Nepal, is the temporary capital of this province.
Landforms.
Province No. 1 has three folds; northern higher mountains, mid-hills and southern terai. The low land surrounded with hills known as inner-terai.
Higher Himalayas region.
Higher Himalayas are northern parts of the Province No. 1 which ranges above . It consists of sub-alpine and alpine climates. It comprises 3 districts of Province No. 1: Taplejung, Sankhuwasabha and Solukhumbu.
Mid-hills region.
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.
Terai region.
The southern part of the province has fertile agricultural plain land which is called terai. The elevations of the terai of Province No. 1 ranges from . The terai region of Province No. 1 comprises 3 districts: Jhapa, Morang and Sunsari.
Inner-terai region.
The plain land area between Shiwalik hills and Mahabharat hills known as inner terai. Udayapur District of Province No. 1 has part of Inner terai. Udayapur District's elevation ranges from above sea level, so 360m to 1000m of elevation's area of Udayapur District is Inner terai.