Keshabpur (Bengali: কেশবপুর) is an upazila of Jessore District in the Division of Khulna, Bangladesh.

As of the 2011 Census of Bangladesh, Keshabpur upazila had 62,309 households and a population of 253,291.

Sagardari is a village in the Keshabpur Upazila, built on the bank of the Kopotakho River, where the poet Michael Madhusudan Dutt was born on 25 January 1824.

Archaeological heritage and relics include remnants of the Bharatvhainabazar Rajbari (দেউলটি গুপ্ত যুগের খ্রিষ্টীয় ২য় শতকে নির্মিত হয়েছে বলে অনুমান করা হয় ), the residence of Nawab Mir Jumla (17th century), the residence of poet Madhusudan Dutt at Sagardari, and remnants of an ancient fort at village Bidhyanandikathi.

He was born in a Zamindar family in Panjia village, near Jessore, in British India.

He entered Mitra Institution, Kolkata and passed matriculation in 1923.