The Bangladesh Armed Forces are the military forces of the People's Republic of Bangladesh. They consist of the three uniformed military services: the Bangladesh Army, the Bangladesh Navy and the Bangladesh Air Force. The Armed Forces are under the jurisdiction of Ministry of Defence of the Government of Bangladesh, and are directly administered by the Armed Forces Division of the Prime Minister's Office. The President of Bangladesh serves as the Commander-in-Chief of the Bangladesh Armed Forces. Bangladesh has the third-largest defence budget in South Asia and according to the Global Firepower index, The Bangladeshi military is the 37th strongest in the world and the third most powerful military force in South Asia. Border Guard Bangladesh and Bangladesh Coast Guard are under the jurisdiction of the Ministry of Home Affairs during peacetime, but during wartime they fall under the command of Bangladesh Army and Bangladesh Navy respectively.

Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world and is among the most densely populated countries with a population of nearly 170 million in an area of 148,460 square kilometres (57,320 sq mi). Bangladesh shares land borders with India to the north, west, and east, and Myanmar to the southeast. To the south, it has a coastline along the Bay of Bengal. It is narrowly separated from Bhutan and Nepal by the Siliguri Corridor, and from China by the mountainous Indian state of Sikkim in the north. Dhaka, the capital and largest city, is the nation's political, financial, and cultural centre. Chittagong, the second-largest city, is the busiest port on the Bay of Bengal. The official language of Bangladesh is Bengali while Bangladeshi English is also used in the government and official documents alongside Bengali.