Fleet is a town and civil parish in the Hart District of Hampshire, England, centred 38 miles south-west of London and 13 miles east of Basingstoke. It is the largest town of the Hart District, and has many large technology business areas, fast rail links to London, and is well connected to the M3. The Fleet built-up area has a total population of 45,218, and includes the contiguous parishes of Church Crookham, Crookham Village, Dogmersfield, and Elvetham Heath.