Upvote:2
The image appears to be a stock image from: https://www.istockphoto.com/gb/photo/mount-paterno-and-piani-lake-in-the-dolomites-gm520888995-50617662
Which describes the location as "Mount Paterno and Piani Lake in the Dolomites"
Link to map: https://www.openstreetmap.org/#map=16/46.6380/12.3149