Cox's Bazar is a city, fishing port, tourism centre, and district headquarters in southeastern Bangladesh. Cox's Bazar Beach, one of the most popular tourist attractions in Bangladesh, is the longest uninterrupted naturally occurring sea beach in the world. Located 150 km (93 mi) south of the city of Chittagong, Cox's Bazar is also known by the name Panowa, which translates literally as "yellow flower." An old name was "Palongkee".

Bengalis, also rendered as endonym Bangalee, are an Indo-Aryan ethnolinguistic group originating from and culturally affiliated with the Bengal region of South Asia. The population is divided between the sovereign country Bangladesh and the Indian regions of West Bengal, Tripura, Barak Valley, Goalpara, Andaman and Nicobar Islands, and parts of Meghalaya, Manipur and Jharkhand. Most speak Bengali, a classical language from the Indo-Aryan language family. Sub-section 2 of Article 6 of the Constitution of Bangladesh states, "The people of Bangladesh shall be known as Bengalis as a nation and as Bangladeshis as citizens."

Syed Ismail Hossain Siraji was a Bengali royal as well as an author and poet from Sirajganj in present-day Bangladesh. He is considered to be one of the key authors of period of the Bengali Muslim reawakening; encouraging education and glorifying the Islamic heritage. He also contributed greatly to introducing the Khilafat Movement in Bengal, and provided medical supplies to the Ottoman Empire during the Balkan Wars. Anal-Prabaha, his first poetry book, was banned by the government and he was subsequently imprisoned as the first South Asian poet to allegedly call for independence against the British Raj. The government issued Section 144 against him 82 times in his lifetime.

Dhaka (Dacca) is a modern megacity with origins dating from 500 BC to 200 BC. The history of Dhaka region begins with the existence of urbanised settlements that were ruled by Gupta Empire, Gauda Kingdom, Pala Empire and Chandra dynasty before passing to the control of the Sena dynasty in the 10th century CE. After the reign of Sena dynasty, the region was ruled by the Hindu Deva dynasty of Bikrampur.

Nawab Sir Khwaja Salimullah Bahadur was the fourth Nawab of Dhaka and one of the leading Muslim politicians during the British rule in India.

In 1971, the Pakistan Army and their local collaborators, most notably the extreme right wing militia group Al-Badr, engaged in the systematic execution of Bengali intellectuals during the Bangladesh Liberation War of 1971. Bengali intellectuals were abducted, tortured and killed during the entire duration of the war as part of the Bangladesh genocide. However, the largest number of systematic executions took place on 25 March and 14 December 1971, two dates that bookend the conflict. 14 December is commemorated in Bangladesh as Martyred Intellectuals Day.

Bandar is an upazila (sub-district) of the Narayanganj District in central Bangladesh, part of the Dhaka Division. Bandar is a part of Greater Dhaka; the conurbation surrounding the Bangladeshi capital city of Dhaka.

Ramna is a thana (precinct) in central Dhaka and a historic colonial neighbourhood. Once the site of Mughal gardens, it developed into an institutional area during British rule in the late 19th century. It became a focal point for Dhaka's modernisation in the 1960s. It was the scene of many tumultuous events that ushered the independence of Bangladesh in 1971. Ramna Thana falls under the jurisdiction of Dhaka South City Corporation.

The culture of Bengal defines the cultural heritage of the Bengali people native to eastern regions of the Indian subcontinent, mainly what is today Bangladesh and the Indian states of West Bengal and Tripura, where they form the dominant ethnolinguistic group and the Bengali language is the official and primary language. Bengal has a recorded history of 1,400 years. After the partition, Bangladeshi culture became distinct from the mainstream Bengali culture, thus their culture evolved differently, still there are many commonalities in Bangladeshi culture & West Bengali culture which connects them both together as Bengali culture.

Bangladesh–Iran relations are the bilateral relations between Bangladesh and Iran. Despite not having any major deals or significant trade, the representatives of both nations have called for expanding bilateral economic relations. Both are members of the OIC and the Developing 8.

The Bengal Sultanate was a late medieval sultanate based in the Bengal region in the eastern South Asia between the 14th and 16th century. It was the dominant power of the Ganges-Brahmaputra Delta, with a network of mint towns spread across the region. The Bengal Sultanate had a circle of vassal states in the Indian subcontinent, including parts of Odisha in the southwest, Arakan in the southeast, and Tripura in the east.

The University of Dhaka, also known as Dhaka University or DU, is a public research university located in Dhaka, Bangladesh. Established in 1921, it is the oldest active university in the country.

Bangladesh–Turkey relations are the bilateral relations between Bangladesh and Turkey. Both countries are members of the Organisation of Islamic Cooperation. Turkey has an embassy in Dhaka and Bangladesh has one in Ankara and a consulate in Istanbul.

Bengali Muslims are adherents of Islam who ethnically, linguistically and genealogically identify as Bengalis. Comprising about two-thirds of the global Bengali population, they are the second-largest ethnic group among Muslims after Arabs. Bengali Muslims make up the majority of Bangladesh's citizens, and are the largest minority in the Indian states of West Bengal, Tripura and Assam.

Sikhism in Bangladesh has an extensive heritage and history, although Sikhs had always been a minority community in Bengal. Their founder, Guru Nanak visited a number of places in Bengal in the early sixteenth century where he introduced Sikhism to locals and founded numerous establishments. In its early history, the Sikh gurus despatched their followers to propagate Sikh teachings in Bengal and issued hukamnamas to that region. Guru Tegh Bahadur lived in Bengal for two years, and his successor Guru Gobind Singh also visited the region. Sikhism in Bengal continued to exist during the colonial period as Sikhs found employment in the region, but it declined after the partition in 1947. Among the eighteen historical gurdwaras in Bangladesh, only five are extant. The Gurdwara Nanak Shahi of Dhaka is the principal and largest gurdwara in the country. The Sikh population in the country almost entirely consists of businessmen and government officials from the neighbouring Republic of India.

Tanda, also known as Tandah and Khwaspur Tandah, was a historic 16th-century city of Bengal in the eastern part of South Asia, and one of the most prominent medieval capitals; serving the Karrani Sultans of Bengal and the early Mughal governors of Bengal.

The Greater Jessore region predominantly includes the districts of Jessore, Jhenaidah, Narail and Magura in Bangladesh, as well as the Bangaon subdivision of India. Nestled close to the Sundarbans, the region experienced human settlement early on. It served as the capital city of the Samatata realm and passed through several Buddhist and Hindu kingdoms such as the Palas and Senas. Jessore was ruled by Khan Jahan Ali of Khalifatabad, under the Muslim Sultanate of Bengal, who is credited with establishing the Qasbah of Murali and urbanising the region through advancements in transportation and civilization. Jessore later came to be ruled by various kings such as Pratapaditya and became familiar to contemporary European travellers as Chandecan before being annexed to the Mughal Empire in the seventeenth century. By 1757, the British East India Company had dominated and started to establish themselves in the region. British rule lasted up until 1947, with Jessore coming under the Provisional Government of Bangladesh from 1971 onwards.

The Nimtali arch is an arch in Dhaka, Bangladesh dating from the Mughal period. It was the gateway to the palace of the Naib Nazim of Dhaka, the deputy governor of Bengal Subah in the Mughal Empire. Today, the structure is located on the premises of the Asiatic Society of Bangladesh and houses the Asiatic Society Heritage Museum. It is a public museum showcasing Dhaka's history in the 18th and 19th centuries.