Tourism sector brings tremendous opportunities as a fastest-growing economic sector in terms of foreign exchange earnings, creation of employment opportunities and raising purchasing power. As such tourism sector can play positive contribution towards enhancing Gross Domestic Product (GDP) of a country. The tourism sector in Bangladesh has been gradually growing from mid Nineties to till now. The study has been undertaken to observe effective and efficient utilization of strategic management of tourism sector to raise Gross domestic product through which macroeconomic sustainability over the time period of the country can be improved. Time period of the study is from December 2009 to February 2010.Authors’ suggested that through improving the efficiency and effectiveness of services of tourism sector ,arranging better facilities ,cost cutting techniques, technological improvements and infrastructural development, both local and foreign tourists can be encouraged to tour with different alternative causes . As such tourism sector may be grown up under holistic approach which in turn will raise Gross Domestic Products as macro economic variables of the country will be improved and sustainable development can be attained. They also argued that through developing public and private sector partnership, Bangladesh Government, related other autonomous organizations/bodies and also foreign direct investment to build strategic leadership, formulating appropriate strategies and implementing of these strategies will create new opportunities and strengthening capacity building and minimizing the weakness as well as removing threats can be feasible.