In which city does 'The Hangover' (2009) take place?

In which city is 'Ferris Bueller's Day Off' set? In which city is 'Mrs. Doubtfire' set? In which city is 'Ghostbusters' (1984) set? In which city is 'Die Hard' (1988) set? In which city is 'Ocean's Eleven' (2001) set? In which country was 'The Lord of the Rings' film trilogy filmed? Which actor starred in both 'Rain Man' and 'Top Gun'? Which actor starred in 'Philadelphia', 'Big', and 'Cast Away'?