The following outline is provided as an overview of and topical guide to Myanmar: Myanmar, also known as Burma, is the most extensive country in mainland Southeast Asia. The country is bordered by the People's Republic of China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, and India on the northwest, with the Bay of Bengal to the southwest. One-third of Burma's total perimeter, 1,930 kilometers (1,199 mi), forms an uninterrupted coastline. The country's culture, heavily influenced by neighbours, is based on Theravada Buddhism intertwined with local elements.