Αβδηρα is an ancient city located in the region of Thrace, Greece. It was founded in the 7th century BC and is known for its strategic position near the Aegean Sea. The city was a significant center for trade and culture in antiquity, attracting various settlers and merchants. The city is also famous for being the birthplace of the philosopher Democritus, who is known for his contributions to atomic theory. Throughout its history, Αβδηρα experienced periods of prosperity and decline, reflecting the broader historical changes in the region. Today, the site is an important archaeological location.