Malaysia consists of two parts: West Malaysia, also called Peninsular Malaysia or Malaya (1990 est. pop. 14,400,000), 50,700 sq mi (131,313 sq km), on the Malay Peninsula
Member of any of a large group of peoples comprising the majority population of the Malay Peninsula and archipelago, and also found in southern Thailand and coastal Sumatra and Borneo.
For at least a thousand years Malay has been the principal lingua franca of ‘insular southeast Asia’, of the great Malay Archipelago which is now politically divided between Indonesia and Malaysia.