Final answer:
The region characterized by cultural traits from today's China, with Confucianism, Taoism, and Buddhism, and an emphasis on family honor, is East Asia.
Step-by-step explanation:
The region described in the question, with cultural traits rooted in what is today's China and characterized by belief systems such as Taoism, Confucianism, and Buddhism, as well as a strong emphasis on family honor, is East Asia. This area includes countries like China, Korea, and Japan, where these philosophies and religions have had a significant influence on the development of cultural norms and values. The import of Buddhism from the Indian Subcontinent, as well as the influence of trade and diplomacy, has led to a culturally rich and diverse region that retains many traditional elements even while adapting to new ideas.