Dubai–Sharjah–Ajman (DSA) is a densely populated metropolitan area in the United Arab Emirates. It consists of the combined, greater urban areas of Dubai, Ajman, and Sharjah. The urban areas at the northeast end of Dubai flow into those of Sharjah, which in turn are contiguous with those of Ajman. The total population is about 6.2 million people as of 2024. This metropolitan area represents one of the most densely populated and economically significant regions in the Middle East.