Guangju is a city located 16 km South-East of Seoul. With a population of 286,700 as of the 2013 census, the city is well known for their tomato production which is central to the Toechon Tomato Festival which is a regional festival that celebrates their pollution free tomato produce.
During the Joseon Kingdom period the region was a centre of high quality ceramics that were used at the royal court and exported to China.