Tampa is a city on the Gulf Coast of the U.S. state of Florida. The city's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and the county seat of Hillsborough County. With an estimated population of 403,364 in 2023, Tampa is the 49th-most populous city in the country and the third-most populous city in Florida after Jacksonville and Miami.