Abu Dhabi, Ajman, Fujairah, Sharjah, Dubai, and Umm al-Quwain form the United Arab Emirates.

The Emirate of Abu Dhabi is one of seven emirates that constitute the United Arab Emirates. It is the largest emirate, accounting for 87% of the nation's total land area or 67,340 km² (26,000 sq mi).

Ajman is the capital of the emirate of Ajman in the United Arab Emirates. It is the fifth-largest city in UAE after Dubai, Abu Dhabi, Sharjah, and Al Ain. It is bounded by the Persian Gulf to the west and surrounded by the emirate of Sharjah on land.

Fujairah City is the capital of the emirate of Fujairah in the United Arab Emirates. It is the seventh-largest city in UAE, located on the Gulf of Oman. It is the only Emirati capital city on the UAE's east coast. The city of Fujairah is an industrial and commercial hub located on the west coast of the Indian Ocean that sits at the foothills of the Hajar Mountains.

The Emirate of Sharjah is one of the emirates of the United Arab Emirates, which covers 2,590 square kilometres (1,000 sq mi) and has a population of over 1,400,000 (2015). It comprises the capital city of Sharjah, after which it is named, and other minor towns and exclaves such as Kalba, Al Dhaid, Dibba Al-Hisn and Khor Fakkan.

Dubai is the most populous city in the United Arab Emirates and the capital of the Emirate of Dubai. It is located on a creek on the south-eastern coast of the Persian Gulf. As of 2025, the city population stands at 4 million, 92% of whom are expatriates. The wider urban area includes Sharjah and has a population of 5 million people as of 2023, while the Dubai–Sharjah–Ajman metropolitan area counts 6 million inhabitants.