キエフ, known as Kyiv in Ukrainian, is the capital and largest city of Ukraine. It is located in the north-central part of the country along the Dnieper River. With a rich history dating back over 1,400 years, Kyiv has played a significant role in the development of Eastern Europe and is considered one of the oldest cities in the region. The city is known for its stunning architecture, including the famous Saint Sophia Cathedral and the Kiev Pechersk Lavra, both UNESCO World Heritage Sites. Kyiv is also a cultural hub, featuring numerous museums, theaters, and parks, making it an important center for arts and education in Ukraine.