Yangdong Village, a 500 year old village from the Jeoson Dynasty, is located not far from Gyeongju. Together with Hahoe Village to the north near the city of Andong, it is a UNESCO World Heritage Site.
Namsan, meaning "South Mountain", is indeed on the south edge of the city of Gyeongju. It is a popular hiking area, its trails filled with Buddhist relics.