Jacksonville, city, seat (1822) of duval county, northeastern florida, u.s., the centre of florida’s “first coast” region. Johns river near its mouth on the atlantic. The airport offers service from trenton, new jersey on frontier airlines.
No regular auto service is available to jacksonville. Jacksonville has two general aviation airports: It lies along the st.
Here's how to visit jacksonville, florida, a city that offers outdoor adventures, relaxing beaches, and the largest urban park system in the u.s. The museum of science &. Although much of jacksonville is urban, this sprawling northeastern florida city also has nature and wildlife preserves, historic residential neighborhoods and lots of golf courses. © 2026 official city of jacksonville and duval county government website all rights reserved v4.12.24