Together with the neighboring city of Icheon , it is known as a major center of contemporary South Korean ceramics , and hosts the World Ceramic Exposition every year. Other local products of note include rice , sweet potatoes , and yellow melons . The tomb of the nation's most important king, Sejong the Great , [1] the temple ruins of Godalsaji (c. 764), the Moka Buddhist museum, the walls of Pasaseong fortress, and Korea's lone riverside temple, Silleuksa , are located in the county. Yeoju is the birthplace of Korea 's last queen, Empress Myeongseong .
Yeoju's institution of higher learning includes Yeojoo Institute of Technology . The Jungbu Naeryuk Expressway passes through the county.