Abu Dhabi is the capital city of United Arab Emirates (UAE).
The city proper, making up an area of 67,340 km2 (26,000 sq mi), had an estimated population of 860,000 in 2008.
The etymology of Abu Dhabi is uncertain and many possibilities exist. One possibility is that as the area had a lot of ẓaby (antelope, gazelle) it was nicknamed after that.
Abu Dhabi is the second most populous city in UAE, after Dubai.
Abu Dhabi alone generated 56.7% of the GDP of the United Arab Emirates in 2008.
Abu Dhabi is the seat of the Emirate of Abu Dhabi, which is ruled by the President of UAE.
Abu Dhabi is the second most expensive city for expatriate employees in the region, and 50th most expensive city in the world.
Abu Dhabi is one of the largest oil producers in the world and significantly contributes to the world's economy.
Fortune and CNN stated that Abu Dhabi is the richest city in the world, although this is subjective.
The city is the wealthiest emirate in UAE, with regard to GDP and per capita income.
Around 70 percent of UAE's wealth is concentrated in the city.
In old times, Abu Dhabi was called milh (Arabic for "salt"), probably because of the salty water. Today this is still the name of an island on the Abu Dhabi coast.
Abu Dhabi is one of the wealthiest states in the world.
Muslims in Abu Dhabi are not allowed to consume alcohol in any form. On the other hand, the non-Muslims staying in the city are required to have special license to buy alcohol.
