Undine - WWII Microcontinent
South part is more elevated, central part is covered by water and North part is different. Mountains are present in South.
This is a military land. In South, there are both a Soviet base and an American base. In North, there is the base of the Afrika Korps (WWII means World War II) and there is the highest mountain (60 meters) near a railway.
Flying is not allowed.
Even if this is a military land, access is opened for public anywhere.