Type any phrase into Google and it throws up various suggestions while you're still typing. The feature, called autocomplete, can be used as a gauge for the most common searches.
Here, for example, is what you get for Croydon is...
Most people are searching for the answers to questions, such as Croydon's county, zone or safety. But sometimes, the top searches also yield a few descriptions. That's what we've mapped up top.
Not all areas give meaningful results, hence why you won't find places like Acton or Ealing on the map.
Finally, please bear in mind that these descriptions come from Google, and not from Londonist. Don't shoot the messenger!
See also: our autocomplete map of London's boroughs.