Dubai (emirate) | History, Population, Facts | Britannica
Dubai, also spelled Dubayy, constituent emirate of the United Arab Emirates (formerly Trucial States or Trucial Oman). The second most populous and second largest state of the federation (area 1,510 square miles [3,900 square km]), it is roughly rectangular, with a frontage of about 45 miles (72 km) on the Persian emirate's capital, also named Dubai, is the largest city of the ...