How do you tell your co-workers to stop talking and get back to work?

I work for the local government. At work, my cubicle is next to three co-workers. They're Chinese. Every now and then, a couple of co-workers from across the hall visit and they all end up talking to one another in their native language. I don't understand what they're saying. Frankly, I don't care what they're talking about. What I do care about is that when they get somewhat loud, it's providing a distraction for me. Is there a way for me to settle this with all 5 of them (3 of which are women) without one of them getting angry at me and the boss not having to know about it? I just want to tell them that when they all group together near my area and they start talking Chinese, they are distracting me from my work. I just want them to shut the eff up and get back to work. Or if they want to carry a conversation, do it somewhere where nobody will be bothered by it.

Now before any of you reading this will respond by telling me how racist I am, let me tell you that I would be similarly annoyed if they were Mexican, Armenian, black and white.