A cappuccino kick-start in the morning before a day spent exploring a new city; a rest in the afternoon with a latte and a slab of cake; a teeny tiny super-strong espresso after a gourmet dinner - coffee is the perfect travel companion. We're looking for the best places around the world to stop for a cup of java. Share your suggestions by submitting a tip or emailing been.there@guardian.co.uk (and don't forget to check our companion tea and cake guide)
If you prefer to feel younger than the other patrons, then this is the best place to go. What Sacher is for the Viennese, this is the Warsaw establishment for creamy cakes and classic coffee.