Ujou Tsumugi is a traditional silk weaving from Okayama City, Okayama Prefecture. The name takes its inspiration from Okayama Castle’s nickname, Ujou, or "Crow Castle," for its distinctive black exterior. This craft produces a type of tsumugi—a durable, hand-spun silk fabric known for its unique texture. The textiles are traditionally hand-woven, often featuring designs or colors that reflect the local heritage. Ujou Tsumugi is a celebrated regional art form that weaves together the city’s history and its skilled craftsmanship.