Lord Of The Rings: The Return Of The King filmed at Twelve Mile Delta. A delta on Lake Wakatipu that stood in for Ithilien in the film. On screen it's Ithilien.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer. This is an area, not a spot. The coordinate is its middle, so use it to navigate to the place and not to line up a shot.
Planning the trip? The New Zealand travel atlas covers money, language and getting around
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in a new city and it tells you what was shot around you, how to get there, and whether you can actually go in.
Download Venture for iOS Android