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.
Visit Tannay: highlights and tourist information. Tannay is situated in the Nievre, Burgundy region (now part of the Burgundy-Franche-ComtÃ© region), in the eastern-center of France at 53 km from Nevers, the department capital. (General information: Tannay is 190 km from Paris). Popular places to visit nearby include Clamecy at 12 km and Corbigny at 14 km.