Where was Frogs filmed?
1972 film by George McCowan
Frogs (1972) was filmed in Walton County, Eden Gardens State Park and Point Washington, 3 places named in its Wikipedia article's Filming section, in the United States. Wikidata itself records the shoot only as Florida. Each place says where its claim comes from.
Places per Wikipedia's Filming section
Wikipedia’s Filming section names 3 places. Each links to the sentence that says so.
Recorded only at country level
Also filmed in Florida, but the exact places are not known, so they are not on the map.
Filming locations that are mapped there: United States