Burma (also known as Myanmar) is a unitary presidential constitutional republic under its 2008 constitution.
Myanmar is a country full of rivers composing a great delta region. There are four main rivers crossing Myanmar, theses are Ayeyarwaddy, Thanlwin, Chindwin and Sittaung river.
Generally speaking, Myanmar culture (Burmese culture) means Buddhist culture, and is not identical with the modern geographical unity.