Sanhe is a county-level city located in the Hebei Province of northern China. It is situated within the Beijing-Tianjin-Hebei coordinated development region, positioned in close proximity to the capital city of Beijing and the municipality of Tianjin.
The city serves as an important industrial and residential hub in the region. Due to its geographical location, it functions as a key node for transportation and urban expansion between major metropolitan centers in northern China.