Biratnagar (Devanāgarī: विराटनगर) is a metropolitan city of Nepal. According to the 2011 census, the city ranks fifth in population. It ranks second in population density after Kathmandu. Biratnagar is the industrial capital of Nepal and has a total area of 40.108 mi² (103.88 km²). Its geographical location is 26°28'60"N 87°16'60"E. The city is located in Morang District in the Kosi Zone of the eastern Terai region of Nepal. It lies 399 km east of Nepal's capital, Kathmandu, and 6 km north of the border of the Indian state of Bihar. It lies in the Province No. 1, as per the new Constitution of Nepal 2015. It was declared as a Metropolitan city on 22nd of May, 2017 along with Birgunj. The city is upgraded to metropolis by adding Tankisinuwari and Jahada-3 making the total population to reach 240,000 from current population of 214,000.