Miami (/maɪˈæmi/; Spanish pronunciation: [maiˈami]) is a city located on the Atlantic coast in southeastern Florida and the seat of Miami-Dade County. The 44th-most populated city proper in the United States, with a population of 430,332, it is the principal, central, and most populous city of the Miami metropolitan area, and the second most populous metropolis in the Southeastern United States after <answer>Washington, D.C.</answer> According to the U.S. Census Bureau, Miami's metro area is the eighth-most populous and fourth-largest urban area in the United States, with a population of around 5.5 million.
Which city is the only one with a larger population than Miami in the southeastern United States?
Washington, D.C.