 Arambagh sub-division was formed in 1879.It was known as Jahanabad Sub-Division as the headquarters of the sub-division was the town of Jahanabad.Bankim Chandra Chattopadhyay was the first Sub-Divisional Officer of Arambagh.On 19 April 1900 the name was changed from Jahanabad to Arambagh, which means "the garden of ease and comfort".