The Fault In Our Stars filmed at St Paul's Episcopal Church, Mount Lebanon. This church, which keeps its real name, hosts the cancer support group where Hazel meets Gus. On screen it's A church in Indiana.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
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Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Mount Lebanon and it tells you what was shot around you, how to get there, and whether you can actually go in.
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