On the basis of People of Nepal and its culture, Nepalese culture is multi racial cultural linguistically, multilingual cultural religiously, multi religion culture and culturally Nepalese culture is plural cultural society. Albeit it is not well enough well understand what Nepalese society and culture is. There are altogether 100 ethnic cast group and they speaks more than 90 different dialects. Although 100 ethnic cast groups belong to four major racial groups. They are Mongoloid, Caucasoid, Munda and Dravid. Four major languages including Tibeto-Burmis, Indo Aryan, Munda and Dravid. Though nine different religious groups i.e. Hindu, Buddhist, Muslim, Christians, Jains, Kiratis, Bahais, Bengalis etc are pre-dominated in Nepalese society. 

On the account of Nepal's Geographical location, we can find different caste and ethnic of people inhabiting in Mountain, Hill and Terai region.

The Mountain region:
Himalayan region is geographically environmentally, geologically can be characterized by low oxygen pressure, low temperature, high radiation values and low humidity of air. Geographically nature of steep mountains and gorges, lakes, terrain mountains, irregular shape of the mountains, geomorphologic hazard, poorly developed soil, single cropping pattern, remote or isolated settlement, frazzle ecologically divided into two region arid bound zone to the north and snow bound region to the east. The whole mountain regions is is in habituated by the Saukas of Darchula, Nymbas of northern Humla, Dolpowas of northern Dolpo, Lopos of Upper Mustang, Neyshangwas, Narwas and Gyasumodowas of Manang, Sher of Manasalu region in Gorkha, Hyalmo of Helambu , Sherpa of Solukhumbu and, Lomis and Tapkegola of Sakuhuwasabha and Taplejung. All those people/ethnic group except Saukas are religiously Tibetan Buddhist. Racially above mentioned peoples are belong to Tibeto-Mongoloid group. Almost their culture tradition is very similar with the Tibetan.

The Hill region:
Geographically, the area is influenced by moderate climate and gentle slippery land. The land is cultivated in comparison to the mountain. Maize, millet, paddy and the potato grown in that area. Economically people are agriculturist. Forest and community forest has also positively influenced the life and culture of the people. The geographic nature of river and lake side, green forest equally influenced the life and cultural of the hill people. Some people have settled on the top of the hill and some people are found on the bottom  near to river side. The hill region is habited by the Limbus, Rais, Jirels, Danuwards, Chepangas, Tamangs, Newars, Gurungs, Thakalis, Brahims, Chhetris, Thakurais, Raute, Damai, Kamis and Sarkis. Hill regions with their green forest and long slopes leading to fertile valleys such as Kathmandu, Pokhara and Surkhet. All those mentioned groups can socially divided into three sub  groups - the ethnic, caste, hunter and gathers group. The Brahims, Chhetri, Newars. Damai, Kamis, Gaine, Badis and Thakuris belong to the caste group. The Raoute belong to the hunter and gather group. Remaining other communities belongs to ethnic group. Religiously they are Hindus, Buddhist, Christian and Muslim. All those communities speak Tibeto-Burman languages and Indo-Aryan languages. These two languages include number of dialects.

The Terai Region:
The economically important geographical region is populated by various Indo-Aryan language speaking Mediterranean type people and som indigenous people such as  Tharus, Dhimal, Satar, Koche, Musahar, Meche and Dhangars. This is agriculturally the most productive of all the regions and is therefore usually called the granary of Nepal. The land is rich in production of rice, corn, wheat, sugarcane, tobacco, jute, pulses, mustard and variety of forest production.

Above all, Nepali is official language and spoken by all of the people in Nepal.