Frisia (also known as Freesland, Friesland, or Frisland) is a region located in the North geographical area. Frisia is a coastal area along the southeastern corner of the North Sea. It is the traditional homeland of the Frisians, a Germanic people who speak Frisian, a language closely related to the English language. Frisia extends from the northwestern Netherlands across northwestern Germany and into southwestern Denmark. It is commonly divided into three sections:

• West Frisia in North Holland, Friesland and Groningen
• East Frisia in Lower Saxony
• North Frisia in Schleswig-Holstein and South Jutland