A STROLLING PRIVATE TOUR OF MADRID DE LOS AUSTRIAS To get a feel for exactly what the old city might have resembled when it wased at first designated the Spanish capital in the 16th century walk around the area called Madrid de los Austrias. Start at Pza. de la Villa, most likely the oldest square in the city as well as the home of a few of its most ancient buildings, consisting of the fifteenth-century Torre de los Lujanes. Then take the slim, elbow-shaped C/Codo from the northeastern corner of the plaza, passing the Convento de los Carboneras where the nuns still market standard cakes and also biscuits, continuing downhill to the relaxing backstreet C/San Justo. If you bear left past the superb Baroque Basílica de San Miguel you will occur on vibrant C/Segovia, among the ancient entranceways into the old city. From here stroll down Cava Baja with its