A hip café with the culinary offerings of an American diner, Cuadro occupies one of the corners of the Schloßquadrat, a historic complex with sunny interior courtyard in Vienna’s fifth district. With friendly staff, breakfast served until 16:00, a savoury house coffee roast, happy hour specials, free wifi and comfortable, modern design, Cuadro is ideal for both casual dates and hangover breakfasts.