Concept:The Jarawa (Jarva) tribe is an indigenous tribe of the Andaman Islands, which are part of the Andaman and Nicobar Islands.
Explanation:The Jarawa tribe primarily inhabits the South and Middle Andaman Islands.
They are one of the four major tribes of the Andaman Islands, along with the Great Andamanese, Onge, and Sentinelese.
The Andaman and Nicobar Islands form a single union territory.
Among the given options, Nicobar Island represents this union territory.
Therefore, the tribe is found in the Andaman and Nicobar Islands region.
Answer:Nicobar Island.