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.
Vreden is a small town in North Rhine-Westphalia, Germany near the Dutch border. The town is located near the river Berkel. The first mentioning of the town is proven for the year 839. In 1252 Vreden obtained city rights.