Qazi Mu'tasim Billah Bahar was a Bangladeshi Islamic scholar, teacher, author and politician. He was the principal of Jamia Shar'iyya Malibagh for over four decades, a former professor at the University of Dhaka and the founding principal of Jamia Islamia Darul Uloom Madania in Jatrabari, Dhaka. He has written many books and articles in the Bengali language and pioneered the introduction of a Bengali-medium among the Qawmi madrasas of Bangladesh.

Jhenaidah District is a district in southwestern Bangladesh. Part of the Khulna Division, the district has an area of 1,964.77 km2 (758.60 sq mi). It is bordered by Kushtia District to the north, Jessore District and West Bengal, India to the south, Rajbari District and Magura District to the east, and Chuadanga District and West Bengal, India to the west. The largest city and headquarter of this district is Jhenaidah. At the beginning of the British rule Jhenaidah was a police outpost and was turned into a thana in 1793. It is the smallest district in Bangladesh. The Jhenaidah sub-division was established in 1862. It became a district in 1984.