This week its…. Sealand
The Principality of Sealand is a micronation (a self-declared but unrecognised state-like entity) that claims as its territory Roughs Tower, a former Maunsell Sea Fort located in the North Sea 10  km (six  miles) off the coast of Suffolk, England, as well as territorial waters in a twelve-nautical-mile radius. Sealand is occupied by the family and associates of Paddy Roy Bates. The population of the facility rarely exceeds five, and its inhabitable area is 550  m ².
File to download: (only needed once, it will update automaticaly every friday)
click here to download the file (you will need google earth)