The coastal Region of Yangon sits within the wider Delta Region of the south, sharing borders with Ayeyarwady to the west, and Bago to the north and east, and resting on the Andaman Sea to the south. Yangon Region covers a span of 10,171 km² administratively divided into 45 townships. Despite being Myanmar’s smallest state by land mass, it is by far the most densely populated with the estimated population of 5.9 million (2011 HMIS data) and population density of 586 people per square kilometre. 67% of Yangon Region’s population live in urban areas, and the remaining 33% in rural areas; Yangon is the Region with the greatest percentage of people living in urban areas. Southern Yangon Region is also home to the Thilawa Special Economic Zone, one of three such zones across the country.