The LGA Expansion was an initiative to make local government in Ostrobia more consistent and better-equipped. This was achieved by merging and reworking some urban local government areas. Most rural areas were, however, unaffected by the changes. These became official in Treien on January 22, 2016, Seblo on February 1, 2016, Dardly on April 23, 2016, Aranley on June 6, 2016 and the state of Alnet on October 8, 2016.
In Treien[]
- The former council areas of Williamsville and Osteyen were merged to become the new Riverlands Council.
- The former council areas of Ulteal, Tyskasi, and Ystikal were merged to become the new City of South Treien.
- The former council area of Dijen was merged into the City of Banksdijen.
- Channon Island was shifted from the City of Treien into the City of Hamlewood.
In Seblo[]
- The former council areas of Banning and Trecenia were merged to become the new Special City of Eastland.
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In Dardly[]
- The former council area of Broxbourne, Ymityaal, Pottersbrook and Brubressent was split from the City of Eastern Dardly to form the City of South Eastern Dardly
- The LGA name of 'Possemijer' was changed to 'Possemyer' marking the end of the use of 'ij' in Ostrobian names
In Aranley[]
- The former council areas of Surrey, Surrey East and Surrey Heights were merged to become the new City of Surrey
- The former council area of Westkerk and Kerkside were merged to become the new Kerk Council
In Alnet[]
- The former council area of St. Vincent was changed from a shire to a farmwood, following updated requirements for farmwood status (its population was deemed too small for a shire).