Bay of Plenty region was formed in 1989 after a nationwide review and shakeup of top-level local government in New Zealand. The new region incorporated the former counties of Tauranga, Rotorua, Whakatane and Opotiki. On 5 October 2011, the MV Rena ran aground on the Astrolabe Reef in the bay causing a large oil spill, described as New Zealand's worst ever environmental disaster. The region is subdivided into territorial authorities, which include the Western Bay of Plenty District, Tauranga City, Whakatane District, Kawerau District and Opotiki District, as well as parts of Rotorua District and the town of Rangitaiki in Taupo District. The
Countries dependent on the Bay of Bengal country in the region. In countries such as Bangladesh, Sri Lanka and India, a primary reason for the increased emphasis on coastal aquaculture is the increase in foreign exchange earnings generated from shrimp farming. Thailand's Andaman coast is the largest hub of tourism in the region. Sri Lanka's tourism industry has seen growth despite decades of civil war in the country's north. Bangladesh and India have significantly developed their domestic tourism industries, such as in Cox's Bazar. South India's renowned temple cities, such as Tanjore, are located near the Bay of Bengal. In Bangladesh, the notable mosque city of Bagerhat