Christian said it was a place they had created to find each other, or something to that tune. Using world like created makes it seem that someone made it. Was is Hurley, Jacob, Christian, someone or something else?
On a related topic, what happened to the people that were killed or died in the "meeting" place. Do they go to hell, or are they merely just the figments of people imagination projected as real people to interact with? Like this place is only reserved for people who were on the island.