Butwal (Nepali: बुटवल), officially Butwal Sub-Metropolitan City (Nepali: बुटवल उपमहानगरपालिका), is a sub-metropolitan city and economic hub in Lumbini Province in West Nepal. Butwal has a city population of 195,054 as per 2021 Nepal census.The city is one of the tri-cities of rapidly growing Butwal-Tilottama-Bhairahawa urban agglomeration primarily based on the Siddhartha Highway in West Nepal with a total urban agglomerated population of 421,018. It is one of the fastest-growing cities in Nepal for health, education, construction, communication, trade, and banking sectors. It has highway connections to the Indian border at Sunauli and to the hilly towns in Tansen and Pokhara valley, and holds the title of being "The Best City in Nepal" five times in a row.
Geographically, Butwal is at the intersection of Nepal's two different National Highways, Mahendra Highway and Siddhartha Highway.