Biniaterp, originally Berdingadorp was a village in Friesland Netherlands, to the south of Harlingen. Much of it was lost due to flooding caused by sea encroachment. Villages Medumwart, Dikesherna and parts of the Gerbranda estate lands were also lost due to sea encroachment. The church at Berdingadorp was merged with the church at Almenum.In 1471 the place as known as Bengeterp, and in 1546 as Benyeterp In 1852 the name appears on a map by Eekhoff as Biniaterp.