Whats The Oldest Bar In Paris? Lets begin by wandering down rue Mazarine from the Odéon square. Bingo? We almost immediately come on Le Procope, where a plaque affirms it is "the oldest café in the world".It opened in 1686, mainly to offer coffee. This beverages fashion had been recently imported from Austria - the Viennese got their caffeine zonks from the Turks during a lull in the Ottoman siege of their city ca. 1623...... Similar Editorial : Paris Hilton by Christopher Kyalo. | Source : Places To Visit Paris