Sylhet (Bengali: সিলেট) is a metropolitan city in northeastern Bangladesh. It is the administrative seat of the Sylhet Division. Located on the north bank of the Surma River at the eastern tip of Bengal, Sylhet has a subtropical climate and lush highland terrain. The city has a population of more than half a million and is one of the largest cities in Bangladesh after Dhaka, Chittagong and Khulna.[1] Sylhet is one of Bangladesh's most important spiritual and cultural centres. Furthermore, it is one of the most economically important cities after Dhaka and Chittagong. The city produces the highest amount of tea and natural gas.