December is a city located on the planet of No Man's Land/Gunsmoke .
Not much is known about December City. What is know is that it was one of the Seven Cities of No Man's Land/Gunsmoke and was built around the remains of a crashed SEEDS ship 150 years ago, giving it's inhabitants access to ample resources by surviving plants . Also, it was the location of the battle of December during the War for No Man's Land/Gunsmoke which resulted in the city's destruction.
December was likely located in the Southern Hemisphere of the planet, somewhere East of Octovern .
- Like all of the Seven Cities, December is named after a month.