Abu Dhabi is the capital and second-most populous city (after Dubai) of the United Arab Emirates. It is also the capital of the Emirate of Abu Dhabi and the centre of the Abu Dhabi Metropolitan Area.

The city of Abu Dhabi is located on an island in the Persian Gulf, off the Central West Coast. Most of the city and the Emirate reside on the mainland connected to the rest of the country. As of 2021, Abu Dhabi's urban area had an estimated population of 1.5 million, out of 2.9 million in the emirate of Abu Dhabi, as of 2016. 

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