Abu Dhabi is the capital and largest city and the capital of the country is Abu Dhabi. The monarchy has a monarchy. The current ruler is Rahy Bin Ali Sayan, who is president of the UAE. Abu Dhabi is located on a t-shaped island that extends into the Persian Gulf and covers an area of 67,340 square kilometers. It is also known as the city’s cost of living is 26th in the world.