Sark is famous for being the last of the Channel Islands (and last territory in Europe) to have a semi-feudal political/economic system, until the early 21st century. It is also one of the few larger inhabited Channel Islands to completely ban cars. However, tractors, motorbikes and bikes are available for local transport needs.
Guernsey - Main island of the eponymous bailwick (crown dependency).
Jersey - The other large entity of the Channel Islands, with its own crown dependency.
The Isle of Man - The crown dependency in the Irish Sea.