|City of Bretonium|
|Constituent country||UFK of St. Samuel|
|Lord Mayor||Lord Richard Morganstein|
Bretonium is a city in the High Samuelonia Province, in the United Federal Kingdom of St. Samuel. It is the second largest city in the province with a population of 1,217,000. The city is located in the Albertyne District of High Samuelonia and is located on the banks of the River Holdentine.
In 1213BP the city was gifted to Lord Rickard Bretonberg in recognition of his services to the crown. Lord Bretonberg renamed the city Bretonium.
In 891AP, King Leo VI of House Gloria-Hendia, signed the Bretonium Charter at Castle Bretonia.