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.
The town of Rohan is located in the department of Morbihan of the french region Bretagne. The town of Rohan is located in the township of Rohan part of the district of Pontivy. The area code for Rohan is 56198 (also known as code INSEE), and the Rohan zip code is 56580.