kirchspielslandgemeinde heider umland is an "amt" ("collective municipality") in the district of dithmarschen, in schleswig-holstein, germany. it is situated around heide, which is the seat of the "amt", but not part of it. it was formed on 1 january 2008 from the former "ämter" kirchspielslandgemeinde heide-land and kirchspielslandgemeinde weddingstedt and the municipality norderwöhrden.