Tanna is an island in southern Vanuatu. Tanna is the most populous island of Tafea Province, and the third most populous in the whole country. It is home to five indigenous languages, which also rank among the most vibrant in the whole archipelago, ranging from 3500 to 11500 speakers. Tanna is the most internationally renowned island of Vanuatu, and has been featured in numerous documentaries or TV shows around the world.