Chesapeake is located at 36°49'8" North, 76°16'30" West (36.818889, -76.275000).
According to the United States Census Bureau, the city has a total area of 350.90 mi2 (908.82 km2). 340.72 mi2 (882.46 km2) of it is land and 10.18 mi2 (26.37 km2) of it is covered by water. The total area is 2.90% water.
Chesapeake is located in the Eastern Standard Time (EST) timezone, GMT-05:00. It observes Daylight Saving Time (DST).