Where was Neelathamara filmed?
1979 film by Yusufali Kechery
Neelathamara (1979) was filmed in Aanakkara and Thrithala, 2 places named in its Wikipedia article's Production section, in India. 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 section
Wikipedia’s Production section names 2 places. Each links to the sentence that says so.

