The term "Gulf countries" refers to the nations located along the Persian Gulf, primarily including Saudi Arabia, Kuwait, Qatar, Bahrain, United Arab Emirates, and Oman. These countries are known for their significant oil reserves and have economies that heavily rely on petroleum exports. The Gulf countries share cultural and historical ties, with a predominantly Arab population and a rich heritage influenced by Islam. They are also known for their modern cities, such as Dubai and Doha, which feature impressive architecture and rapid development, attracting tourists and expatriates from around the world.