Gregory’s Girl is a 1980 Scottish coming-of-age romantic comedy film written and directed by Bill Forsyth and starring John Gordon Sinclair, Dee Hepburn and Clare Grogan. The film is set in and around a state secondary school in the Abronhill district of Cumbernauld.
Gregory’s Girl was ranked No. 30 in the British Film Institute’s list of the top 100 British films of the 20th century, and No. 29 on Entertainment Weekly’s 2015 list of the 50 best high school movies.
https://en.wikipedia.org/wiki/Gregory's_Girl
It’s a well known fact!
It’s hard to quantify size as its very spread out. I grew up in a village a few miles away and ut was wierd watching creep ever closer. I wouldn’t class it as a small town though but yeh fuck all happens there.