St. Petersburg (often shortened to St. Pete or The Burg) is a city in Pinellas County, Florida, United States long known as a vacation destination for both American and foreign tourists. As of 2008, the population estimate by the U.S. Census Bureau is 245,314, making St. Petersburg the fourth largest city in the state of Florida and the largest city in Florida that is not a county seat. Although the city of Clearwater is the county seat of Pinellas County, all county services are available through county offices in St. Petersburg. St. Petersburg is the second largest city in the Tampa Bay Area, which is composed of roughly 2.7 million residents, making it the second largest Metropolitan Statistical Area in the state.

The city is commonly referred to by locals as "St. Pete"; neighboring St. Pete Beach, Florida formally shortened its name in 1994 after a vote by its residents.