I keep having a recurring dream about a place i've never seen/been to, but with different people..?

I keep having this dream about a place i dont know, but the people in it are always different. They change from people i know, to people i dont know, and sometimes a mixture...but now the interaction with theses people is getting very vivid and i wake up feeling as if its actually happened...it feels so real now...why is this happening? It never wakes me up, it's almost like its a good thing im dreaming it, but its so weird!