The problem I see with moving Vilcabamba to Vilcabamba (location) is: What will people type in the field, when looking for Vilcabamba? They will probably just type the name. What is the reason for adding "(location)". With other articles where "(location)" has been used it was necessary, because the name without location had to be used for something else. I think if we add location to vilcabamba, we have to do it with everything, all the continents, all the countries, all the regions/towns/cities...
Siberia can created. The previous entry was deleted because it contained false (or unofficial) information.