The relationship between North Korea and South Korea is one of the most complex issues in the modern geopolitical context. Since the partition of Korea in 1945, following the end of World War II, the two countries have experienced various changes that have affected regional and global stability. The great influence of these two countries is not only felt in East Asia, but also in relation to major powers such as the United States and China. North Korea, officially known as the Democratic People’s Republic of Korea (RPDC), led by Kim Jong-un, relies on Juche ideology and military power. This aggressive approach, including its nuclear program, is a source of high tension in the region. International sanctions due to nuclear tests and human rights violations have increasingly worsened the economic and social conditions in the country, but have not changed the attitude of the regime which maintains power through militancy. On the other hand, South Korea, or the Republic of Korea, focuses on economic development and democracy. With the support of the US as a key ally, Seoul has played an active role in exploring diplomatic ties and strengthening military alliances, however, there has been pressure to consider dialogue with Pyongyang. Expansion of militarization and joint military exercises with the US often trigger provocations from the North. Geopolitics in this region is increasingly complicated with the involvement of large countries. China, as North Korea’s closest neighbor, has significant influence. Beijing is supporting the Northern regime to maintain stability and avoid the emergence of refugees if conflict occurs. On the other hand, China also wants good relations with South Korea in the context of trade. This adds a layer of complexity to the dynamics between the three actors. Additionally, summits between North and South Korean leaders, such as the meeting between Kim Jong-un and Moon Jae-in in 2018, provide hope for improved relations. However, these steps have often stalled due to renewed uncertainty and tensions, including disputes over denuclearization. Human rights issues in North Korea also do not escape international attention. Collaborating in discussing this situation could be one way to further improve relations between the two countries. However, both Seoul and Washington tend to focus more on security issues and nuclear weapons. Border tensions, including incidents of gunfire and territorial violations, continue, indicating that despite peace efforts, the risk of conflict remains. Both should find ways to manage a more peaceful relationship within this sensitive framework. Ultimately, the future of North and South Korean relations remains highly uncertain. Despite diplomatic efforts, existing tensions demand a more integrated approach, where all parties need to consider their respective roles in regional security and stability.