Ayeyarwady Region, also known as the Delta region, is a coastal region between the Bay of Bengal to the west, and the Andaman Sea to the east. The capital city is Pathein. Sharing a border with Rakhine, Bago, and Yangon, Ayeyarwady Region consists of 26 townships, covering a total of 35,964 km². Ayeyarwady is Myanmar’s most populated state with an estimated population of 6.32 million (2011 HMIS data) and population density of 176 people per square kilometre. Ayeyarwady is the region with the greatest percentage of people living in rural areas (88%) relative to urban areas (12%) living in urban areas. This area was the severely affected by Cyclone Nargis in 2008.