Thanet, district, administrative and historic county of Kent, southeastern England, within the extreme northeast from the county. It roughly coincides using the historic Isle of Thanet, however the modern administrative district extends south from the Great Stour river almost to Sandwich. Margate is its administrative center.

Thanet has 26 miles (42 km) of shoreline around the Thames estuary and also the Strait of Dover. There are many seaside resorts, including Margate, Broadstairs, and Ramsgate, and the great majority of those residing in Thanet are 65 years old or older. Growing ocean traffic between Ramsgate and French ports within the other half from the twentieth century introduced an growth of related ground and air transportation facilities, warehousing, light industry, and hotels. Agriculture, typically focused on grains, now focuses on eco-friendly vegetables and taters. Area 40 square miles (103 square km).