Ko Kra is a group of small rocky islets in the southern area of the Gulf of Siam.
It is under the administration of Nakhon Si Thammarat Province

Nakhon Si Thammarat Province

Nakhon Si Thammarat is one of the southern provinces of Thailand, at the eastern shore of the Gulf of Thailand...

 of Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

.

Geography

Ko Kra, located about 54 km from the nearest shore, consists of three islets: Ko Kra Yai, Ko Kra Klang and Ko Kra Lek, as well as one small rocky outcrop, Hin Ko Kra. The whole area surrounding these islets is a good diving spot owing to its relative remoteness.

Territorial dispute

The Ko Kra group, although barren and uninhabited, is part of a territorial dispute along with the islet of Ko Losin

Ko Losin

Ko Losin is a small rocky islet in the southern area of the Gulf of Siam. It is under the Sai Buri District of the Pattani Province of Thailand....

.
The dispute over the continental shelf

Continental shelf

The continental shelf is the extended perimeter of each continent and associated coastal plain. Much of the shelf was exposed during glacial periods, but is now submerged under relatively shallow seas and gulfs, and was similarly submerged during other interglacial periods. The continental margin,...

 boundary between Malaysia and Thailand arises from the different baselines which the two countries adopt in calculating the equidistant line for boundary. Thailand's proclaimed baseline runs from the terminus at Kuala Tabar (the eastern terminus of the Malaysia-Thailand land border as defined by the Anglo-Siamese Treaty of 1909

Anglo-Siamese Treaty of 1909

The Anglo-Siamese Treaty of 1909 or Bangkok Treaty of 1909 was a treaty between the United Kingdom and the Kingdom of Siam signed on March 10, 1909, in Bangkok. Ratifications were exchanged in London on July 9, 1909....

) northwards to Ko Losin islet and then northwestwards to Ko Kra. Malaysia however does not regard Ko Losin as a valid baseline point and calculates the equidistant line on a baseline running along the shore.

Similarly named locations

This islet group should not be confused with other islands of the same name, like Ko Kra in Chumphon Province

Chumphon Province

Chumphon ) is one of the southern provinces of Thailand, at the shore of the Gulf of Thailand. Neighboring provinces are Prachuap Khiri Khan, Surat Thani and Ranong...

 or Mu Ko Kra (หมู่เกาะกระ) a group of islets to the west of Ko Mak

Ko Mak

Ko Mak is a small island of Trat Province, Thailand. This island is named after the Areca nut .-Geography:Ko Mak has 27 km coastline, many long sand beaches, a few hills and it is about 16 km² in area....

 in Trat Province

Trat Province

Trat is a province of Thailand. It is located in the east of Thailand, and has borders with Chanthaburi Province to the northwest, Cambodia to the east, and the Gulf of Thailand to the south.Trat is most famous for gemstone mining and trading....

. There is also a place by the name of Ko-kra in Kayah State

Kayah State

Kayah State is a state of Myanmar. Situated in eastern Myanmar, it is bounded on the north by Shan State, on the east by Thailand's Mae Hong Son Province, and on the south and west by Kayin State. It lies approximately between 18° 30' and 19° 55' north latitude and between 94°40' and 97° 93' east...

, mainland Burma.