Where was The Giant Gila Monster filmed?
1959 film by Ray Kellogg
The Giant Gila Monster (1959) was filmed in Dallas, 1 place named in its Wikipedia article's Production and release section, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's Production and release section
Wikipedia’s Production and release section names 1 place. Each links to the sentence that says so.
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Towns & cities
Dallas
United States
City in the state of Texas, United States
“Filmed near Dallas, Texas, the film was budgeted at $175,000 and was produced by Dallas drive-in theater chain owner Gordon McLendon who wanted co-features for his main attractions.” Wikipedia