What exactly is " The Land of the Four Winds"?

I’ve heard this term used many times while reading books about pre-history (especially during the times of Ancient Asia). When used, I believe that it refers to some place in the after life. (some spiritual place beyond this world or relm). Is anyone here familiar with this term and if so, where exactly is this “land”, and where did this term or reference to it come from. Anyone here know.