Where was Begotten filmed?
1989 experimental horror film by E. Elias Merhige
Wikidata records no filming location for Begotten (1989) at all, not a place, not even a country. There is nothing to pin, and this page says so rather than guessing.
Why there is no pin
Its Wikipedia article also says it was filmed in New Jersey, without naming a place, so it is not on the map.
Filming locations that are mapped there: United States