West Philippine Sea (Filipino: Kanlurang Dagat ng Pilipinas;[2][3] or Karagatang Kanlurang Pilipinas;[4] abbreviated as WPS) is the official designation by the government of the Philippines to the parts of the South China Sea that are included in the country's exclusive economic zone.

The term "West Philippine Sea" has been in use by the international community since at least 1961, mentioned in geology and oceanography papers.

[8] On July 12, 2016, the Permanent Court of Arbitration ruled in favor of the Philippines in a case not involving naming.

It clarified that "[T]he Tribunal has not been asked to, and does not purport to, delimit any maritime boundary between the Parties or involving any other State bordering on the South China Sea".

1599 which was issued in 1978 during the tenure of then President Ferdinand Marcos which established the Philippine EEZ as well as the Republic Act No.