Gulariya  is a municipality and headquarters of Bardiya District in the Bheri Zone of south-western Nepal. It is located in the plains of the Terai region near the southern border with the Bahraich district, Uttar Pradesh state of India. It is 35 kilometers west of Nepalgunj and about 10 km south of Murtiha Transit or railway station, India. At the time of the 2011 Nepal census it had a population of 55,747 and 11,220 households. The mother tongue for the older residents is still Awadhi and Tharu language, which is understood and normally spoken by the entire population of the district. 

Temperature highly affects the lifestyle of Gulariya. Due to extreme heat in summer season, people wear light cotton clothes and rarely come out during the day time. While in the winter season, the temperature may drop to 6°C during which people wear thick woollen clothes.

Gulariya city has a diverse culture with people from different faiths living within mixed communities. Hinduism and Islam are two major religions in the city with Hindus comprising larger percentage of the population. Other religions like Buddhism and the Christianity are among in the minorities. People of different ethnicity are known to have traditionally lived together, without any significant conflicts.