Ahsan Manzil is one the most popular tourist destination and it is a museum run by the Bangladesh National Museum. Earlier it was used as the resident palace of the Nawabs of Dhaka and as the Sadar Kachari of the landlords. It is situated on the banks of the river Buriganga in Islampur, Old Dhaka. The founder Nawab Abdul Gani named Ahsan Manzil after his son Khwaja Ahsanullah. Ahsan Manzil's name is one of the travel lists of travel thirsty people in Bangladesh and Dhaka city. As Ahsan Manzil is the residence of the Nawabs of Bengal, it is always visited by travelers. Its architectural style fascinates everyone. The construction work of Ahsan Manzil started in 1859 and was completed in 1872. The decision to establish a Muslim League was taken in 1906 at Ahsan Manzil, now the museum. This museum has become one of the focal points of entertainment for the people of Bengal. The Nawab's furniture, food, bedrooms, and costumes all seemed to symbolize nobility. Tourists of all ages in Dhaka city regularly visit this museum. Besides, travel lovers of all ages from different parts of the country come to Dhaka city to visit this museum.
In the middle of the eighteenth century, zamindar Sheikh Inayetullah built a recreation building on the present site of Ahsan Manzil and named it Rangmahal. Later, when his son Sheikh Matiullah decided to sell the Rangmahal, French merchants made a purchase and renamed it a trading post. It was later purchased in 1830 by Khwaja Alimullah, the father of Nawab Abdul Ghani. Nawab Abdul Gani's palace was redesigned by a European construction and engineering company and construction began in 1859 and was completed in 1872. After the construction, it was named "Ahsan Manzil" after his son Khwaja Ahsanullah.