Barhalganj is a town as well as a nagar panchayat located in the Gorakhpur district in the state of Uttar Pradesh in India. The town of Gorakhpur is the administrative headquarters of the Gorakhpur district. The district spreads over an area of 3483.8 square km. The Maharajganj District to the north, the Kushinagar and the Deoria districts to the east, the Ambedkar Nagar, Azamgarh, and Mau districts to the south, and the Sant Kabir Nagar District to the west surround it. The district is included under the Gorakhpur Division. The Nawab of Awadh to the British East India Company surrendered the Gorakhpur district in 1801. Under the British rule, Gorakhpur was raised to the status of a district. In 1829, Gorakhpur became the headquarters of the Gorakhpur Division, made up of the districts of Gorakhpur, Ghazipur and Azamgarh. In 1865 Basti District was formed from Gorakhpur. Moreover, The Deoria District was formed from Gorakhpur in 1946. The third partition of Gorakhpur led to the formation of the Maharajganj District in 1989.

As per the 2001 India census, Barhalganj has a population of 19,171. It is at a distance of 58 kilometers from the Gorakhpur district. Males and females respectively constitute 52% and 48% of the population. The average literacy rate of the town is 60%, higher than the nationwide mean of 59.5%. 58% of the males and 42% of the females are literate. 16% of the population is children under six years of age. Barhalganj has one postgraduate degree college under the Deen Dayal Upadhyaya Gorakhpur University. There are also many private hospitals. The notable religious places of Barhalganj are the hanuman mandir, the muktipath and the jaleswar nath. Muktipath is a place related to the Hindu cremation process. Barhalganj is also famed for its saree markets.