The Nanjing Japanese-style Villa Courtyard Case refers to a specific example of a Japanese-style villa courtyard in Nanjing, China. These courtyards typically feature traditional Japanese garden elements, such as rock formations, water features, and an emphasis on simplicity and harmony with nature. They often showcase the fusion of Japanese architectural style with Chinese cultural elements. Examples include the Xuanwu Lake Japanese Garden, which combines elements of both Japanese and Chinese gardens.