Westerlauwers Frisian
West Frisian can be confused with an area (or its local language) in the Dutch province Noord-Holland (NL: area = West-Friesland or local language = West-Fries), that is why the term Westlauwersk Frysk or Westerlauwersk Frisian has been introduced, The River Lauwers is the part of the border between the Dutch provinces Friesland and Groningen.
In the Netherlands West Frisian can refer to the local language spoken in the region Hoorn, Enkhuizen, Medemblik.
Read more about this topic: West Frisian Language