Peninsular Malaysia also known as Malaya or West Malaysia, is the part of Malaysia which lies on the Malay Peninsula and surrounding islands. Its area is 132,265 square kilometres (51,068 sq mi), which is nearly 40% of the total area of the country - 330,611 square kilometres (127,650 sq mi)
Peninsular Malaysia consists of the following 11 states and two federal territories (starting from the North going to the South):
Northern Region: Perlis, Kedah, Penang, Perak
East Coast Region: Kelantan, Terengganu, Pahang
Central Region: Selangor, federal territories of Kuala Lumpur and Putrajaya
Southern Region: Negeri Sembilan, Malacca, Johor