It never had one, ever since the TVTropes fork. User:Nerdanel (who hasn't edited here since 2016) redirected the zero-content page to the category.
I've given the category something Captain Obvious would say "Tropes about maps."
Does it need something better?
@Nerdanel @Agiletek @GentlemensDame883 @Haggishunter @HeneryVII @Ilikecomputers @Jlaw @Lequinni @RivetVermin @Umbire the Phantom @Utini501 @Labster @Looney Toons @GethN7 @Robkelk