Butwal Sub-Metropolitan is one of the twin cities of rapidly growing Butwal-Bhairahawa urban agglomeration in Nepal. It lies in Lumbini Province, Rupandehi District, and also was the interim capital of Lumbini province until Dang's Bhaluwang was formally voted as the state capital. It was given the title “Green City of Nepal 2019”. It is also home to the administrative headquarters of Lumbini Zone. This city stands beside the bank of Tilottama or Tinau River, and at the northern edge of the Terai plain below the Siwalik Hills. Its name, Butwal was derived from Batauli Bazaar, the town's oldest residential area which is located on the western bank of the Tinau river. Butwal is a lively city comprising the Panoramic views of the combination of hills and plains.