Kashubia
Kashubia or Cassubia (Kashubian: Kaszëbë, Polish: Kaszuby, German: Kaschubei, Kaschubien) is a language area in the historic Eastern Pomerania (Pomerelia) region of northwestern Poland. It is defined by the widespread use of the Kashubian language.
Located west of Gdańsk (inclusive of all but the easternmost district) and the mouth of the Vistula river, it is inhabited by members of the Kashubian ethnic group. The region is home to the Kashubian Lake District. According to the 1999 basic study Geografia współczesnych Kaszub (Geography of present-day Kashubia) by the Gdańsk scholar Jan Mordawski 43 municipalities (gminas) of the Pomeranian Voivodeship have a Kashubian share of at least one third of the total population:
Coordinates: 54°7′N 17°59′E / 54.117°N 17.983°E
...
Wikipedia