Malaysia–Thailand border

sea of the Indian Ocean

Kedah (), also known by its honorific Darul Aman (دار الأمان; Arabic for 'The Safe Abode') and historically as Queda, is a state of Malaysia, located in the northwestern part of Peninsular Malaysia. The state covers a total area of over , and consists of a mainland portion and the Langkawi islands. The mainland has relatively flat terrain, which is used to grow rice, while Langkawi is composed mostly of uninhabited islands.

Perak (; Perak Malay: Peghok) is a state of Malaysia on the west coast of the Malay Peninsula. Perak has land borders with the Malaysian states of Kedah to the north, Penang to the northwest, Kelantan and Pahang to the east, and Selangor to the south. Thailand's Yala and Narathiwat provinces both lie to the northeast. Perak's capital city, Ipoh, was known historically for its tin-mining activities until the price of the metal dropped, severely affecting the state's economy. The royal capital remains Kuala Kangsar, where the palace of the Sultan of Perak is located. The state's population is 2,

Kelantan (; ; ) is a state in Malaysia. The capital, Kota Bharu, includes the royal seat of Kubang Kerian. The honorific name of the state is Darul Naim ("The Blissful Abode"). Kelantan is located in the north-eastern corner of Peninsular Malaysia. Kelantan is an agrarian state with paddy fields, fishing villages and casuarina-lined beaches. Kelantan is home to some of the most ancient archaeological discoveries in Malaysia, including several prehistoric aboriginal settlements.

Perlis (Perlis Malay: Peghelih) is a state of Malaysia on the northwestern coast of Peninsular Malaysia. It is Malaysia's smallest state by area and population. The state borders the Thai provinces of Satun and Songkhla to the north and the Malaysian state of Kedah to the south. Perlis is the only Malaysian state that is not divided into districts, due to its small size, but it is still divided into several communes. It was called Palit () by the Siamese when it was under their influence. Perlis had a population of 227,025 as of the 2010 census.

international border

international treaty

mountain in Malaysia

river in Malaysia

islet in the Gulf of Thailand

archipelago in the Gulf of Thailand