쾰른, or Cologne, is a major city in western Germany, located along the Rhine River. It is known for its rich history, dating back to Roman times, and is one of the oldest cities in the country. The city is famous for its stunning Cologne Cathedral, a UNESCO World Heritage site, which features impressive Gothic architecture. In addition to its historical significance, 쾰른 is a vibrant cultural hub. The city hosts numerous museums, galleries, and theaters, showcasing both contemporary and traditional art. It is also known for its annual Carnival, attracting visitors from around the world to celebrate with parades and festivities.