Malaysia is a country in Southeast Asia. Peninsular Malaysia shares a land and maritime border with Thailand and maritime borders with Singapore, Vietnam, and Indonesia. East Malaysia shares land and maritime borders with Brunei and Indonesia and a maritime border with the Philippines and Vietnam.

Kuala Lumpur is the national capital, largest city and the seat of the legislative branch of the federal government.  In the tropics, Malaysia is one of 17 megadiverse countries, home to numerous endemic species.