Sydney

Sydney was a city located along the south east coast of Australia. Prior to the One Year War, Sydney was the largest city in Australia with a population of around 10 million. Although not it's intended target, the city and the surrounding area was completely obliterated during Operation British. Trying to put a quick end to the war, the Principality of Zeon attempted to crash a depopulated colony into Earth Federation headquarters in Jaburo.

However, the heavily damaged colony falls short of it's intended target, instead shattering into large fragments due to the heat of re-entry over the Indian Ocean. The largest piece, comprising most of the main colony cylinder itself after being shot at while over the Arabian peninsula, falls directly onto Sydney. The strike caused a 60,000-megaton blast that completely vaporised the city and all of it's citizens. Today all that remains of Sydney is a a 500-kilometre (310 mi) crater along Australia's coastline named the Sydney Crater.