Biffeche or Bifeche was the early name for a medium-sized island (Isle de Bifeche) in the delta of the Senegal River in West Africa, some two miles upstream from the island of N'Dar on which Saint-Louis, Senegal http://maps.google.com/maps?ll=16.4631,-16.0517&spn=0.1,0.1&t=k&hl=en was founded.