A Day in Dubai 🇦🇪 Dubai is the largest city in the United Arab Emirates and the capital of the emirate of the same name, one of the seven that make up the country. It is home to approximately 2.1 million people, or nine-tenths of the total population of the Emirates. As well as being home to the world's tallest building, Burj Khalifa, Dubai's other records include the world's deepest swimming pool (60.02 metres at Deep Dive Dubai) and the world's tallest landmark sign in Hatta, which at 19.28m