It is located in the plains of the Terai region near the southern border with the Bahraich district, Uttar Pradesh state of India.

[1] In terms of ethnicity/caste, 24.5% were Tharu, 11.2% Musalman, 9.1% Yadav, 8.1% Hill Brahmin, 7.0% Mallaha, 6.1% Chhetri, 5.5% Lodh, 4.2% Chamar/Harijan/Ram, 3.9% Kami, 2.2% Magar, 1.5% Dusadh/Paswan/Pasi, 1.5% other Terai, 1.3% Kurmi, 1.2% Damai/Dholi, 1.1% Dhobi, 1.0% Kathabaniyan, 1.0% Thakuri, 0.9% Terai Brahmin, 0.8% Hajjam/Thakur, 0.8% Halwai, 0.8% Newar, 0.7% other Dalit, 0.7% Kayastha, 0.7% Teli, 0.5% Koiri/Kushwaha, 0.4% Sanyasi/Dasnami, 0.3% Bengali, 0.3% Gaderi/Bhedihar, 0.3% Gurung, 0.3% Santal, 0.2% Kewat, 0.2% Kori, 0.1% Badhaee, 0.1% Gaine, 0.1% Kahar, 0.1% Kalwar, 0.1% Kumal, 0.1% Lohar, 0.1% Musahar, 0.1% Pattharkatta/Kushwadiya, 0.1% Rajbhar, 0.1% Raji, 0.1% Sarki, 0.1% Sherpa, 0.1% Tamang and 0.1% others.

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.

Due to extreme heat in summer season, people wear light cotton clothes and rarely come out during the day time.

Restaurants in Gulariya are famous for its samosas, chaat, golgappas(Panipuri), dahibada, momos (Nepalese-style Dumplings), sekuwa (roasted spiced-meat), biryani and chilled beer.

The main hub for buses is Gulariya Buspark, while small transits are located in several other places in the city like Bhansar chok, Police-station road.

Known initially as Tri-Juddha Hospital and situated along the Hulaki road, it functions as the primary referral center in the district.

Despite its limited resources, Bardiya District Hospital has consistently aimed to provide high-quality medical care.

To mitigate this, the Hospital Development Committee has employed health workers and other staff on a contractual basis to maintain operational services.

Under the oversight of the Lumbini Provincial Government, Bardiya District Hospital offers a comprehensive range of medical services.

Additional services include safe abortion, physiotherapy, endoscopy, sickle cell anemia testing, radiology, gynecological care, and specialized wards for senior citizens.

There are a number of good restaurants in the city that offer traditional Nepalese, as well as, a variety of Indian, Chinese and Western cuisines.