The largest city of the United Arab Emirates is Dubai. The city has a population of over 2.1 million people and is one of the most populous cities in the world. Dubai is also the capital of the UAE and is one of the most popular tourist destinations in the world. The city is home to some of the tallest buildings in the world, including the Burj Khalifa, which is currentlythe tallest building in the world. Dubai also has a large number of luxury hotels and resorts, as well as a thriving nightlife scene.