|Predominant language:||Lucian, English|
The city was first settled by the Federal Kingdom of New Batavia. In its modern form, it was founded in mid-2012 when the dependency of Lucerne was established by Mercury. The city is a major trading hub between Mercury and North Antarctica.
Lusa'aii is located to the north of the island, on the Vaitafe le Lusa. The market square is located in the centre of the city, with the middle section of the square forming a dock. Trading ships in the dock usually sell their goods from the deck.
Lusa'aii is a vibrant trading hub populated by businessmen and seafarers. It relies heavily on Napian tourism and trade.