Chersonesus, also known as Chersonesos, was an ancient Greek city located near modern-day Sevastopol in Crimea. Founded in the 5th century BCE by settlers from Heraclea Pontica, it became an important trade center and cultural hub in the region. The city was known for its well-preserved ruins, including a theater, temples, and fortifications. Throughout its history, Chersonesus was influenced by various cultures, including the Byzantine Empire and Kievan Rus. It played a significant role in the spread of Christianity in the area, with the baptism of Prince Vladimir of Kiev occurring nearby. Today, Chersonesus is a UNESCO World Heritage site, attracting visitors interested in its rich history.