The United Arab Emirates is bordered by the Persian Gulf to the north, Oman to the east and southeast, Saudi Arabia to the south, and Qatar to the west and northwest. The capital of the United Arab Emirates is Abu Dhabi. The government of the United Arab Emirates is a federal type that includes seven independent emirates. These emirates are: Abu Dhabi, Dubai, Sharjah, Ajman, Umm Al Quwain, Ras Al Khaimah and Fujairah. The currency of the United Arab Emirates is the UAE dirham (AED). The official language of this country is Arabic, and the majority of people in the United Arab Emirates speak Arabic. Islam is the official religion of the United Arab Emirates and the majority of people in this country are Muslims. The United Arab Emirates has a dynamic and extensive market, and its main economic sectors include oil, natural gas, trade, transportation, financial services, tourism, and industry. Due to the presence of rich oil and gas resources, the United Arab Emirates is one of the main exporters of these products in the world. Also, the United Arab Emirates has other industries such as steel, construction, electronics, automobile, textile and food industries. The products that UAE businessmen import include machinery, electronics, chemical products, food products, textile products and industrial raw materials. UAE also exports oil and gas, steel industries, petrochemical products, textile products, electronic products and food products to other countries. The highest income of the United Arab Emirates may also change between years due to economic and oil changes.