Where was Tugs filmed?
British children's programme
Tugs (1989–) was filmed in Shepperton Studios, 1 place named in its Wikipedia article's Format and production section, in the United Kingdom. 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 Format and production section
Wikipedia’s Format and production section names 1 place. Each links to the sentence that says so.