Shandong is a coastal province of the People's Republic of China, and is part of the East China region. Shandong has played a major role in Chinese history from the beginning of Chinese civilization along the lower reaches of the Yellow River and served as a pivotal cultural and religious site for Taoism, Chinese Buddhism, and Confucianism. Shandong's Mount Tai is the most revered mountain of Taoism and one of the world's sites with the longest history of continuous religious worship.