Kyrgyz
Millisphere: a discrete region inhabited by roughly one-thousandth of the world population.
Sometimes a country has exactly the right population to qualify as a millisphere. Kyrgyzstan (6.5 million), known as the Switzerland of Central Asia, is one.
The second poorest country in Central Asia (after Tajikistan) Kyrgyzstan is also the mountainous refuge of the Kyrgyz nomads. The name Kyrgyz comes from the local word for 40 - referring to the 40 Kyrgyz tribes that mostly make up the country.
In this case, I have chosen to define the millisphere of Kyrgyz to exactly conform to the Kyrgyzstan state boundaries - including its novel exclaves and enclaves with Uzbekistan in the Fergana Valley. They have, after all, been seriously hammered out over time.
Apart from the capital Bishkek, Kyrgyz is mostly confined to high altitude pastures and forests. Glacier-covered mountains feed rivers such as the Syr Daya which irrigates Uzbekistan and Kazakhstan before trickling into the Aral Sea. Power generation in Kyrgyzstan and irrigation downriver compete for the water. Under the Soviets, Kyrgyzstan was compensated with diesel in the winter for the water taken for irrigation.
Like the Aral Sea and Lake Balkhash in neighbouring Kazakhstan, Lake Issyk-Kul in Kyrgyzstan is an endorheic basin (no exit to the ocean) and like the others, it suffers from falling water levels. The Soviets introduced Rainbow Trout to Issyk-Kul, devastating the local fish stocks, and global warming and global pollution (making the glaciers turn grey) is melting the Kygyrz glaciers.