Sylhet (, ; historically Srihatta; also Jalalabad) is a major city that lies on the banks of Surma River in north-east Bangladesh. The city has a population of over 500,000 people. It is surrounded by tea estates, sub-tropical hills, rain forests and river valleys; the region is one of the leading tourist destinations in the country. Sylhet is a prominent Islamic spiritual centre and home to numerous Sufi shrines. It hosts the 14th century mausoleums of Shah Jalal and Shah Farhan. The Sylhet municipality was constituted during the British Raj in 1867. It was part of the Bengal Presidency and the Assam Province. Upon a referendum, it became part of East Bengal in the Pakistani Dominion after the Partition of British India in 1947. Sylhet became a focal point for Bengali revolutionaries during the Bangladesh Liberation War in 1971. It was the hometown of General M A G Osmani, the Commander-in-Chief of Bangladesh Forces. The Sylhet Division produces most of Bangladesh’s tea yield and natural gas. It is also known for its cane, citrus, timber and agarwood. Sylhet is a major recipient of remittances from the Bangladeshi diaspora, particularly from the United Kingdom. The city is served by the Osmani International Airport. It is connected to the Port of Chittagong by the N2 and the Bangladesh Railway. The Bangladesh-India border in Tamabil is located to the north of the city. Sylhet is also home to the Shahjalal University of Science and Technology