Siddharthnagar district is one of the 75 districts of the Indian state of Uttar Pradesh. Siddharthnagar is the district headquarters. Siddharthnagar district is a part of Basti division. It was under the ancient Kosala kingdom and also the Shakya kingdoms.

Bhojpuri is an Indo-Aryan language native to the Bhojpur-Purvanchal region of India and the Terai region of Nepal. It is chiefly spoken in eastern Uttar Pradesh, western Bihar and western Jharkhand in India as well as western Madhesh and eastern Lumbini in Nepal. It is an eastern Indo Aryan language and as of 2000 it is spoken by about 5% of India's population. Bhojpuri is a descendant of Magadhi Prakrit and is related to Maithili, Magahi, Bangla, Odia, Assamese, and other eastern Indo-Aryan languages.