The capital world of the Kingdom of New Britain. It is one of the most densely populated planets in the Coalition, with 2.9 billion people as of 2460. The planet has one hemisphere-spanning super continent slightly larger than Earth's Eurasia - Greater Britain - and three smaller continents; New Wales, New England, and New Scotland. Its capital city is New Buckingham on the northwestern coast of Greater Britain. Other major cities are New Lancaster, New Glasgow, Norfolk, and Kensington-upon-Marlowe.

New Britain's moon Churchill is orbited by the Royal Shipyard Company's main complex. It is a partially state-owned defense company who's majority stockholder is the Crown.