Mamma Mia! filmed at Glysteri, Skopelos. The view from a villa in the film is this eastern spot, which also hosted a song number. On screen it's Kalokairi.
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 Greece travel atlas covers money, language and getting aroundand everything filmed in Skopelos is on one page
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Skopelos 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