Nicomedes III was a king of Bithynia, a region in northwestern Asia Minor, who ruled from around 127 to 94 BCE. He is known for his efforts to expand his kingdom and strengthen its position in the region. Nicomedes III was also involved in various conflicts with neighboring territories, including the Roman Republic. During his reign, Nicomedes III established alliances and sought to enhance trade and cultural exchanges. His rule is marked by attempts to modernize Bithynia and improve its infrastructure. After his death, he was succeeded by his son, Nicomedes IV, who continued his father's policies.