Panchkula is a planned city and district headquarter in the Panchkula district in Haryana, India. Panchkula is a border city with Punjab, Chandigarh and Himachal Pradesh. The origin of the name Panchkula came from the place where five irrigation canals meet. At present, it forms a part of an adjoining area to Chandigarh, Mohali, and Zirakpur. It is approximately 4 km (2.5 mi) southeast of Chandigarh, 105 km (65 mi) southwest of Shimla, 44 km (27 mi) from Ambala and 259 km (161 mi) northeast of New Delhi, the national capital. It is a part of the Chandigarh capital region or Greater Chandigarh. The Chandigarh-Mohali-Panchkula metropolitan region collectively forms a Chandigarh Tricity, with a combined population of over two million.