Kaesong is a city located in North Korea, near the border with South Korea. It has historical significance as it was the capital of the Goryeo Dynasty, which ruled from 918 to 1392. The city is known for its well-preserved cultural heritage, including ancient temples and traditional architecture. In recent years, Kaesong has gained attention for the Kaesong Industrial Complex, a collaborative economic project between North Korea and South Korea. This complex was established to promote economic cooperation and provide jobs for both nations, although it has faced challenges due to political tensions.