A Starlight Reserve is a site where a commitment to defend the night sky quality and the access to starlight has been established. Its main function will be to preserve the quality of the night sky and its associated values, being them cultural, scientific, astronomical, natural, or landscape-related.
I read about this in relation to Tekapo, New Zealand. They are trying to get designated as a starlight reserve. Can you imagine being able to see such a vision as the one below? Amazing. I might need to plan a trip there. Here's the article that came out.