Malay states

The monarchies of Malaysia refer to the constitutional monarchy system as practised in Malaysia. The political system of Malaysia is based on the Westminster parliamentary system with the features of a federation.

Peninsular Malaysia , also known as West Malaysia (formerly Malaya), is the part of Malaysia which lies on the Malay Peninsula and surrounding islands. Its area is . It shares a land border with Thailand in the north. To the south is the island of Singapore.