Countries in the western part of Asia include Yemen, Oman, Saudi Arabia, Kuwait, Iran, Qatar, the United Arab Emirates, Jordan, Iraq, Syria, Lebanon, Turkey, Armenia, Azerbaijan, Cyprus, Palestine and Georgia. Turkey is the most populous country in West Asia, with approximately 73.6 million people.
West Asia is synonymous with the Middle East. This region is largely made up of the Arabian Peninsula, a landmass between the Red Sea to the west, the Arabian Sea to the southeast and the Persian Gulf to the east. The border between Afghanistan and Iran marks the eastern most limit of West Asia.
Approximately 30 percent of the world's oil supply comes from West Asia. The region is also home to the world's richest country, Qatar.