Karnali Zone was one of the fourteen zones located in the Mid-Western Development Region of Nepal. The headquarters of Karnali Zone was Jumla. Now, it is known as Karnali Province (Nepali: कर्णालीप्रदेश, Karnali Pradesh) as one of the seven federal provinces of Nepal formed by the new constitution which was adopted on 20 September 2015. The total area of the province is 27,984 square kilometres (10,805 sq mi) covering 18.97% of the country, making it the largest province in Nepal. According to the 2011 Nepal census, the population of the province was 1,570,418, making it the least populous province in Nepal.