Bisha (Arabic: بيشة‎, Bīšah), also known as Qal`at Bishah (Arabic: قلعة بيشة‎, Qalʿat Bīšah), is a town in the southwestern Saudi Arabian province, 'Asir. It is located at 20°0′0″N 42°36′0″E. Bisha was its own province before merging with its neighboring province, 'Asir. Bisha has a population of 205,346 according to the 2010 Census, with nearly 240 villages and 58 larger settlements that are spread out on both sides of the Bisha Valley (the longest valley in the Arabian Peninsula). The city is located to the south of the Arabian Peninsula, which is almost entirely under the administration of the Kingdom of Saudi Arabia.