Samtskhe-Javakheti is a quite safe region of Georgia. Probably the biggest danger to a visitor is the risk of falling off various cultural monuments—there are no guard rails to speak of. But common sense and a natural fear of heights should keep you safe, shouldn't it?
talk
In the southeast of the region around Akhalkalaki, Armenian is widely spoken, even more so than Georgian. But in the rest of the region, Georgian language speakers predominate. Russian is also widely spoken, especially by older generations.