* If you mean the most western point of land on Earth: That would be Cape Wrangell on Attu Island, Alaska, USA.

* If you mean the most western country: That would be the Republic of Kiribati, which includes the Line Islands in the Pacific Ocean. The Kiritimati (Christmas) Island is the westernmost inhabited land in Kiribati.

* If you mean the most western point of a continent: That would depend on the continent. For example:

* North America: Cape Wrangell (Attu Island, Alaska)

* South America: Punta Pariñas in Peru.

* Africa: Cape Verde.

* Europe: Cabo da Roca in Portugal.

* Asia: Cape Dezhnev in Russia.

* Australia: Steep Point in Western Australia.

* Antarctica: Cape Adare.

So, the answer depends on what you're looking for! Let me know if you have more context and I can help you find the exact answer.