- Arraias is a city located in the state of Tocantins, Brazil. It is situated in the southeast region of the state and has an estimated population of around 10,000 inhabitants. The city is known for its historical and cultural heritage, with several preserved buildings and landmarks from colonial times. It is also surrounded by beautiful natural landscapes, such as hills and waterfalls, making it a popular destination for ecotourism. The economy of Arraias is primarily based on agriculture, livestock farming, and small businesses.