Haliacmon is an ancient river that flows through the region of Macedonia in northern Greece. It is known for its historical significance and natural beauty, serving as a vital water source for the surrounding areas. The river has played a role in various ancient events and is often mentioned in historical texts. The river's name is derived from the Greek word for "salt," reflecting its connection to the sea. Haliacmon is also associated with the ancient city of Pella, the capital of the Kingdom of Macedon, which was the birthplace of Alexander the Great. The river continues to be an important geographical feature in the region today.