Korea is a country in Northeastern Asia situated on the Korean Peninsula on Earth.
Korea used to be divided into two countries, North Korea and South Korea. This division is not only marked by a DMZ, but a river and hundreds of unknown land mines. It is speculated that the two countries have came back to form Korea once again. Their capitals are Pyongyang (Northern Korea) and Seoul (Southern Korea). Korea has always been a research powerhouse due to its size and location. It is speculated that it is because of this, and its large gaming community that it was included in the Halo cannon.
United Nations Space Command
The UNSC has a number of locations in Korea, namely, the Special Warfare Center in Songnam, Kyonggi Province. This is where the MJOLNIR Mark VI was tested before it was sent to Cairo Station for use by SPARTAN-117.