The Western Islands is a planning area located within the West Region of Singapore.

The planning area is located on the Singapore Straits, with Tuas situated to its west, as well as Pioneer, Boon Lay, Jurong East and Queenstown to its north.

It serves as the petroleum and petrochemical hub of the city-state, and it houses the third largest refining centre in the world.

Multinational companies such as ExxonMobil and Shell have established a strong presence on Jurong Island.

Other restrictions include that one must declare any photographic equipment that they are bringing to the island.