U+57B3 "垳" CJK Unified Ideograph-# Unicode Character

U+57B3 "垳" CJK Unified Ideograph-# is a rare Chinese character composed of the radical for earth or ground on the left and the phonetic component for walk or travel on the right, and it is primarily used in Japanese place names. In particular, it appears in the name of Ukishima, a locality in Tokyo's Koto Ward, where it denotes a historical topography related to landforms near water or tidal flats. As a nonstandard character in modern Chinese usage, it is most often encountered in specialized geographic or historical contexts within Japanese writing, where it carries a meaning associated with a tidal or marshy land feature.