'''Jacksonville''' is the most populous [[city]] in the state of [[Florida]] and the [[List of United States cities by population|thirteenth most populous]] city in the [[United States]]. It is the [[county seat]] of [[Duval County, Florida|Duval County]]. | '''Jacksonville''' is the most populous [[city]] in the state of [[Florida]] and the [[List of United States cities by population|thirteenth most populous]] city in the [[United States]]. It is the [[county seat]] of [[Duval County, Florida|Duval County]]. |