Some websites that have good maps of Burma/Myanmar are National Geographic, Nations Online and Maps of World. At the National Geographic site, there are road, aerial and two and three-dimensional maps of this country, which is in southeast Asia.
The National Geographic site also offers many facts and a guide on Myanmar/Burma. For example, Burma's name was changed to Myanmar in 1989. This nation has borders with China, India, Bangladesh and Thailand.
The Nations Online site has a detailed map of Myanmar as well as satellite maps of the capital city and Mandalay that are searchable. This site also has political maps of this country.
Similarly, Maps of World is another site that provides extensive information and maps of Myanmar. The main map shows all its cities, including Yangon, Naypyitaw, Bagan and Sagang. Naypyitaw is the capital city, but Yangon is the biggest city. This site also offers rail, road and city maps of Myanmar.