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.
Station / Airport guide. Paris Charles de Gaulle Airport (Roissy) is located 23 km north of Paris and eases your journey in France and beyond with its own transport hub which provides fast and frequent train services.