Birgunj, located in close proximity to Bihar, an Indian state on the southern border of Nepal, is a border town and an entry point to the Kingdom of Nepal from Patna and Calcutta. The town has significant economic importance for Nepal as a large part of goods imported by Nepal reaches Terail regions, Kathamandu valley, and other parts of Nepal through the international border entry points of Raxaul, on Indian side, to Birgunj on Nepalese side for onward transportation to other parts of Nepal. For other uses, see Bihar (disambiguation). ... India is subdivided into twenty-eight states, six union territories and the National Capital Territory. ... For other uses, see Patna (disambiguation). ... Kolkata (Bangla: কলকাতা; formerly known as Calcutta) is the capital city of the Indian state of West Bengal. ... The Terai, or Tarai (i. ... The Kathmandu valley, located in the Kingdome of Nepal, lies at the crossroads of ancient civilizations of Asia, and has at least 130 important monuments, including several places of pilgrimage for the Hindus as well as the Buddhists. ...

Birgunj is a town of around 300,000 people of different ethnic and linguistic groups. There are several languages spoken in the town including [Bhojpuri, [Nepali]], Maithili, Newari, and Hindi. It is the biggest city in Narayani zone and the headquarter of parsa district. This city is also known as the 'gate way of Nepal'. An ethnic group is a group of people who identify with one another, or are so identified by others, on the basis of a boundary that distinguishes them from other groups. ... Broadly conceived, linguistics is the study of human language, and a linguist is someone who engages in this study. ... Maithili is of the family of Indo-Aryan languages, which are part of the Indo-Iranian branch of the Indo-European languages. ... The Newar are the indigenous ethnolinguistic group of Nepals Kathmandu valley. ... Hindi (हिन्दी hind), an Indo-European language spoken mainly in North, Central, and West India, is one of the national languages of India. ...