Ammdon is a planet in the Ammdon system located near the Romulan Neutral Zone. The planet's main inhabitants is a humanoid species known as the Ammdon. By 2268, Ammdon was at war with the neighboring planet of Jurnamoria. The Ammdon requested Federation aid in resolving the situation between the two planets. The Federation response was to send three diplomats to the region aboard the USS Enterprise to. (TOS novel: Mutiny on the Enterprise)