Neutropolis is the capital of the Neutral Planet. Like everywhere else on the Neutral Planet, Nuetropolis is colored simple colors of grey and beige. It is the home of the neutral President.
The Neutral Planet was a grayish planet and the home to the Neutrals. The capital city was Neutropolis. The government was admittedly neutral and was led by the Neutral President. The government's motto was "Live Free or Don't."
The Neutral Planet has an embassy in Washington, D.C. on Earth.