The address is:
Château de Nyon
Nyon,
58130 Ourouer
Leave the A77 at the exit 34 and turn left, direction Guérigny-Prémery-Auxerre. Take the first right turn to Montigny aux Amognes. At Montigny go through taking the direction Ourouer. At Ourouer turn left and then right direction Nolay Nyon. After aprox 2 miles take the first left turn direction Balleray. You will see the chateau on you left with a drive leading to it.