The United Arab Emirates (UAE) is a federal absolute monarchy located in the southeast of the Arabian Peninsula. It is bordered by Saudi Arabia to the west and Oman to the east. The UAE comprises seven emirates, each with its own ruler: Abu Dhabi, Dubai, Sharjah, Ajman, Umm Al Quwain, Ras Al Khaimah, and Fujairah. Abu Dhabi is the capital and largest emirate, and Dubai is the most populous and a global commercial hub. The UAE has a diversified economy with a large focus on oil and natural gas production, but also a growing tourism and services sector. It is one of the wealthiest countries in the Middle East and has a high standard of living, with a well-developed infrastructure and a large expat population.