GRAMMAR'S RESPONSE. The word premises is always plural, whether you're referring to the whole of the land and the buildings upon it or just part of the mall (or whatever). So you want are, always. Authority: Merriam-Webster's Collegiate Dictionary, Electronic Edition, Version 1.5.
Yonne is a department in the centre of France, in the Burgundy region. The largest city in the department, and its prefecture (capital), is Auxerre.
Built at the end of the twelfth century, the ChÃ¢teau de Vincennes (Vincennes Castle) is the only Royal residence built during the Middle Ages that is still intact. It is situated in the outskirts of the city center in the forest of Vincennes. The fortress, with an impressive turret standing 164 ft (50 m) tall, is one of the tallest in Europe.