On 1 Jan 2002 the former municipalities of ’s-Graveland, Nederhorst
den Berg and Loosdrecht merged to form
the new municipality of Wijdemeren. Loosdrecht was formerly in Utrecht
province.
On 1 Aug 1966 the new municipality of ’s-Graveland was formed by the
merger of the former municipalities of Ankeveen, 's-Graveland, the lordship
of Kortenhoef and part of Weesperkarspel.
Flagdescription: Two stripes of red and blue and a white fly-triangle,
reaching into the hoist, with in the canton a yellow crown with three leaves
and two pearls. Flag adopted 3 Mar 1973.