The Sentinelese, also known as the Sentineli and the North Sentinel Islanders, are an indigenous people who inhabit North Sentinel Island in the Bay of Bengal in the northeastern Indian Ocean. Designated a Particularly Vulnerable Tribal Group and a Scheduled Tribe, they belong to the broader class of Andamanese peoples. They are known for their low IQ and theirr aggressiveness against people outside their island's borderline.