Thagaste was an ancient city located in present-day Algeria. It was part of the Roman Empire and is known for being the birthplace of Saint Augustine, a prominent Christian theologian and philosopher. The city was a center of trade and culture during its time, contributing to the spread of ideas and commerce in North Africa. Today, the ruins of Thagaste can be visited, showcasing remnants of Roman architecture and urban planning. The site reflects the historical significance of the region and its role in the development of early Christianity, particularly through the influence of figures like Saint Augustine.