If the Korean visa was obtained in the United States, can one stay in China or Japan for a few days before entering South Korea?

If you apply for a Korean visa in the United States, you can generally stay in China or Japan for a few days before entering South Korea. However, the specific entry policy may differ based on South Korea’s entry regulations and border policies with China and Japan at that time. It is recommended to check the latest entry policies and visa requirements of relevant countries and regions before traveling to ensure smooth entry.