Colchester is an unincorporated town on the Occoquan River in Fairfax County, Virginia. Colchester is a former tobacco port established in 1753. The town served as the first county seat of Fairfax County. Most of its original buildings no longer exist. The Richmond, Fredericksburg, and Potomac Railroad, I-95, and the Jefferson Davis Highway (US 1) are located directly to the west of the Colchester area. In United States law, a region of land is unincorporated if it is not a part of any municipality. ... The Occoquan River flows into the Potomac River at Belmont Bay, and is located in Northern Virginia, along the mid-Atlantic coast of the United States (USA). ... Official website: http://www. ... Official language(s) English Capital Richmond Largest city Virginia Beach Area - Total - Width - Length - % water - Latitude - Longitude Ranked 35th 110,862 km² 320 km 690 km 7. ... Species N. glauca N. longiflora N. rustica N. sylvestris N. tabacum Ref: ITIS 30562 as of August 26, 2005 Tobacco (, L.) refers to a genus of broad-leafed plants of the nightshade family indigenous to North and South America, or to the dried and cured leaves of such plants. ... 1753 was a common year starting on Monday (see link for calendar). ... A county seat is an administrative center for a county. ... Interstate 95 or (I-95) is an interstate highway that runs 1907 miles (3070 kilometers) north and south along the eastern United States coast. ... Jefferson Davis Memorial Highway was named for Jefferson Davis (1808-1889). ... United States Highway 1 is a United States highway which parallels the east coast of the United States. ...