Munger is a twin city and a Municipal Corporation situated in the Indian state of Bihar. It is the administrative headquarters of Munger district and Munger Division. It is the fifth largest city of Bihar and second largest city in Eastern Bihar. Historically, Munger is known for being an ancient seat of rule. The twin city comprises Munger and Jamalpur situated on the southern bank of the river Ganges. It is situated 60 km west of Bhagalpur, and 180 km east of capital city Patna. The climate of Munger is subtropical (warm in summer and cold during winter). Munger has two railway stations: Jamalpur Junction and Munger Railway Station . The former is the main railhead for the city while the latter, which was earlier called Purabsarai Railway Station, acts as suburban facility. The rail system provides connection to cities such as New Delhi, Mumbai, Kolkata, Banglore, Surat, Guwahati, Lucknow, Kanpur, Jammutawi, Vishakhapatnam, Bhagalpur, Patna, Gaya, Muzaffarpur, Ranchi, and Jamshedpur. The Munger Ganga Bridge, which takes both rail- and road-traffic, connects Munger to the nearby cities of Begusarai and Khagaria as well as various districts of North Bihar. The bridge is the third-largest rail-cum-road bridge in India. Munger is connected to major parts of India by various National and State Highways. The major cities of Bihar and Jharkhand - such as Patna, Ranchi, Bhagalpur, Muzaffarpur, Jamshedpur, Dhanbad, Gaya, Bokaro and Darbhanga - can be reached by NH 80, NH 333 and NH 333B and various state Highways. Regular bus service are provided by BSRTC for all the major cities and other destinations. The Munger Ganga Bridge is under construction(Road part) and will link Munger to various districts of North Bihar and north-eastern India by 2019.[citation needed] Munger has a small airport with no commercial service and used only for VIP movements. Nearest domestic airport with commercial service is Patna airport around 180 km away. Patna is served by all major airlines. Nearest international airport is Netaji Subhash Chandra Bose International Airport in Kolkata Which is around 480 km away from Munger. Munger is located on National Waterway No-1 running from Allahabad(U.P) to Haldia(W.B).it is well connected to major cities like Patna, Bhagalpur, Varanasi, Kolkata, and Allahabad through waterway.