Amaterasu

Amaterasu is the name of a former kingdom located on Hikaria, a continent. It was ruled by the Arleigh Family until the Oda Clan took over 100 years before the start of canon One Piece. Its location remains unknown.

Geography
According to World Government information, Hikaria is a continent that has a spring-type climate. The continent has eight surrounding islands arranged in a similar manner as. Its predominant feature is its amount of buildings located in the center which represented Amaterasu's main city, Edo. A number of hills and mountains sit on the center of the city, although it is said that the terrain is not that steep, allowing cultivation in the rural areas.

Architecture
Edo's architecture is predominantly modern, with futuristic skyscrapers dominating the landscape. The surrounding areas' architecture are a mixture of Spanish and Japanese.