Nepa was a mountainous kingdom mentioned in the epic Mahabharata

Mahabharata

The Mahabharata is one of the two major Sanskrit epics of ancient India and Nepal, the other being the Ramayana. The epic is part of itihasa....

. It is identified as Nepal

Nepal

Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...

, a country located in the mountainous terrain of the Himalayas

Himalayas

The Himalaya Range or Himalaya Mountains Sanskrit: Devanagari: हिमालय, literally "abode of snow"), usually called the Himalayas or Himalaya for short, is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau...

.

Nepas and king Yudhisthira

Nepas were mentioned as a tribe who were under the sway of Pandava

Pandava

In the Hindu epic Mahābhārata, the Pandava are the five acknowledged sons of Pandu , by his two wives Kunti and Madri. Their names are Yudhisthira, Bhima, Arjuna, Nakula and Sahadeva. Although, Karna is told by Lord Krishna that according to the laws and ethics he is the first son of Kunti making...

 king Yudhisthira

Yudhisthira

In the great Hindu epic Mahabharata, Yudhisthira , the eldest son of King Pandu and Queen Kunti, was king of Indraprastha and later of Hastinapura. He was the leader of the Pandava side in the Kurukshetra War...

:- The Nipas, the Chitrakas, the Kukkuras, the Karaskaras, and the Lauha-janghas are living in the palace of Yudhishthira like bondsmen (MBh 2:49). Nepas gave tribute to Yudhisthira

Yudhisthira

In the great Hindu epic Mahabharata, Yudhisthira , the eldest son of King Pandu and Queen Kunti, was king of Indraprastha and later of Hastinapura. He was the leader of the Pandava side in the Kurukshetra War...

 during his Rajasuya

Rajasuya

Rajasuya was a sacrifice, described in detail in the Mahabharata, performed by the ancient kings of India who considered themselves powerful enough to be an emperor...

 sacrifice:- Numberless Chins and Sakas

Saka Kingdom

Sakas were a Mlechcha tribe grouped along with the Yavanas, Tusharas and Barbaras. They were later known as Scythians. They were Soma drinkers, Soma being an intoxicating liquor famous in the land of Devas . There were a group of Sakas called Apa Sakas meaning water dwelling Sakas, probably living...

 and Uddras and many barbarous tribes living in the woods, and many Vrishnis and Harahunas

Hara Huna Kingdom

Hara-Hunas were a Chinese tribe close to Himalayas so that they had limited interaction with Indian kingdoms, thus they were mentioned in the epic Mahabharata.They belonged to the Xinjiang province of China, east of Kashmir...

, and dusky tribes of the Himavat

Himalaya Kingdom

Himalaya kingdom was a mountainous country in Himalayas mentioned in the Puranas. Himavan was probably its ruler and Parvati the wife of lord Siva was probably a princess from this kingdom...

, and many Nipas and people residing in regions on the sea-coast, waited with tribute at the gate (of king Yudhisthira

Yudhisthira

In the great Hindu epic Mahabharata, Yudhisthira , the eldest son of King Pandu and Queen Kunti, was king of Indraprastha and later of Hastinapura. He was the leader of the Pandava side in the Kurukshetra War...

) (2:5).

Bhima's list of kings

Nepa king is mentioned in a list of kings whose acts lead to the destruction of their own race, much like the case of Duryodhana

Duryodhana

In the Hindu epic the Mahābhārata, Duryodhana is the eldest son of the blind king Dhritarashtra by Queen Gandhari, the eldest of the one hundred Kaurava brothers, Emperor of the world at that time which means Emperor of India or Bharatvarsha as it was known at that time, cousin and the chief...

, whose acts lead to the destruction of the Kuru

Kuru Kingdom

Kuru was the name of an ancient kingdom in Vedic India, and later a republican Mahajanapada state. The kingdom was located in the area of modern Haryana, Delhi and western Uttar Pradesh in India. They formed the first political center of the of the Vedic India, with its capital at Hastinapur. It...

 race.

When Dharma

Dharma

Dharma means Law or Natural Law and is a concept of central importance in Indian philosophy and religion. In the context of Hinduism, it refers to one's personal obligations, calling and duties, and a Hindu's dharma is affected by the person's age, caste, class, occupation, and gender...

 became extinct, Kali

Kali

' , also known as ' , is the Hindu goddess associated with power, shakti. The name Kali comes from kāla, which means black, time, death, lord of death, Shiva. Kali means "the black one". Since Shiva is called Kāla - the eternal time, Kālī, his consort, also means "Time" or "Death" . Hence, Kāli is...

 was born in the race of Asuras flourishing with prosperity and blazing with energy, so was born Udavarta among the Haihayas

Heheya Kingdom

Heheya kingdom was one of the many kingdoms ruled by Chandravanshi Kshatriya kings in the central and western India. It was the strongest of the kingdoms and had the powerful ruler Kartavirya Arjuna who even defeated Rakshasa Ravana. Its capital was Mahishmati on the banks of river Narmada in...

. Janamejaya among the Nepas, Vahula among the Talajanghas, proud Vasu among the Krimis, Ajavindu among the Suviras

Sauvira Kingdom

Sauvira was a kingdom mentioned in the epic Mahabharata. According to the epic, Jayadratha was the king of Sindhus, Sauviras and Sivis. Probably Sauvira and Sivi were two kingdoms close to the Sindhu kingdom and Jayadratha conquered them. Jayadratha was an ally of Duryodhana and husband of...

, Rushardhik among the Surashtras

Saurashtra Kingdom

Saurashtra kingdom was one among the many kingdoms ruled by Yadava kings in the central and western India. Other kingdoms in this group include Chedi Kingdom, Dasarna Kingdom, Surasena Kingdom or Vraja Kingdom, Karusha Kingdom, Kunti Kingdom, Avanti Kingdom, Malava Kingdom, Gurjara Kingdom, Anarta...

, Arkaja among the Valihas, Dhautamulaka among the Chinas, Hayagriva among the Videhas

Videha Kingdom

In the Ramayana, Videha was the kingdom of the royal sage Seeradhwaja Janaka, the father of Sita, Raghava Rama's wife. Rama's brothers married Sita's sisters, so the Videha Kingdom was closely allied to the Kosala Kingdom. Mithila was the capital of Videha, now identified with Janakpur, a town in...

, Varayu among the Mahaujasas, Vahu among the Sundaras, Pururavas among the Diptakshas, Sahaja among the Chedis

Chedi Kingdom

Chedi kingdom was one among the many kingdoms ruled during early periods by Paurava kings and later by Yaduvanshi Rajput kings in the central and western India. It falls roughly in the Bundelkhand division of Madhya Pradesh regions to the south of river Yamuna and along river Betwa or Vetravati...

 and Matsyas

Matsya Kingdom

Matsya or Machcha , classically called the Mese , was the name of a tribe and the state of the Vedic civilization of India. It lay to south of the kingdom of Kurus and west of the Yamuna which separated it from the kingdom of Panchalas...

, Vrishaddhaja among the Praviras, Dharana among the Chandra-batsyas, Bigahana among the Mukutas and Sama among the Nandivegas (5:74).

Other References

At (13:34) we found the following passage where Nepas are mentioned as Nipas:- The Bhrigus conquered the Talajanghas

Heheya Kingdom

Heheya kingdom was one of the many kingdoms ruled by Chandravanshi Kshatriya kings in the central and western India. It was the strongest of the kingdoms and had the powerful ruler Kartavirya Arjuna who even defeated Rakshasa Ravana. Its capital was Mahishmati on the banks of river Narmada in...

. The son of Angiras conquered the Nipas. Bharadwaja conquered the Vitahavyas as also the Ailas

Ailas

The Ailas were a dynasty of kings of ancient India. Pururavas, the son of Ila was the founder of this dynasty. The Mahabharata mentioned about the Ailas as, "The numerous royal lines and other ordinary Kshatriyas all represent themselves to be the descendants of Aila and Ikshwaku...

. Bhrigus, Angirasas and Bharadwajas were all Bhrahmin tribes