The Abu Dhabi Investment Authority (ADIA) is one of the world's largest sovereign wealth funds, established in 1976 by the government of Abu Dhabi, United Arab Emirates. ADIA was created to manage the surplus oil revenues generated by the Emirate of Abu Dhabi and to invest them in a diversified global portfolio with a focus on long-term value creation. The fund is wholly owned by the government of Abu Dhabi and operates as an independent investment institution.