Where are Premium Resident's Homes

Did you ever wondered where are located the free houses that residents get when they decide to pay Linden Labs to upgrade their Second Life account to premium? Well, today I have found which seems to be the continent where these free, small and basic comes are located. I don't know the name this continent has but as a point of reference to get there you can teleport yourself to Hackberry sim. You'll see how monotonous that kind of sims look from a birds view.