
Hunas or Huna was the name given by the ancient Indians to a group of Central Asian tribes who, via the Khyber Pass, entered the Indian Subcontinent at the end of the 5th or early 6th century. Huna Kingdom occupied areas as far as Eran and Kausambi, greatly weakening the Gupta Empire. The Hunas were ultimately defeated by the Indian Gupta Empire and the Indian king Yasodharman.

The Indo-Aryan peoples are a diverse collection of ethnolinguistic groups speaking Indo-Aryan languages, a subgroup of the Indo-European language family. Indo-Aryan peoples are native to the northern Indian subcontinent, and presently found all across South Asia, where they form the majority.

The Indo-Greek Kingdom or Graeco-Indian Kingdom, and historically known as Yavanarajya, was a Hellenistic kingdom spanning modern-day Afghanistan, into the classical circumscriptions of the Punjab of the Indian subcontinent, during the last two centuries BC and was ruled by more than thirty kings, often conflicting with one another.

Indo-Scythians were a group of nomadic Iranian peoples of Saka and Scythian origin who migrated southward into western and northern South Asia from the middle of the 2nd century BC to the 4th century AD.

Meluḫḫa or Melukhkha is the Sumerian name of a prominent trading partner of Sumer during the Middle Bronze Age. Its identification remains an open question, but most scholars associate it with the Indus Valley Civilization.

The Northern Black Polished Ware culture is an urban Iron Age Indian culture of the Indian Subcontinent, lasting c. 700–200 BCE, succeeding the Painted Grey Ware culture and Black and red ware culture. It developed beginning around 700 BCE, in the late Vedic period, and peaked from c. 500–300 BCE, coinciding with the emergence of 16 great states or mahajanapadas in Northern India, and the subsequent rise of the Mauryan Empire.

The word Yona in Pali and the Prakrits, and the analogue "Yavana" in Sanskrit, are words used in Ancient India to designate Greek speakers. "Yona" and "Yavana" are transliterations of the Greek word for "Ionians", who were probably the first Greeks to be known in the East.

The Yuezhi were an ancient people first described in Chinese histories as nomadic pastoralists living in an arid grassland area in the western part of the modern Chinese province of Gansu, during the 1st millennium BC. After a major defeat by the Xiongnu in 176 BC, the Yuezhi split into two groups migrating in different directions: the Greater Yuezhi and Lesser Yuezhi.