The history of the city of Riesa is rooted in the Middle Ages. The first official written mention of the settlement dates back to October 1119 in a papal document confirming the consecration of a local monastery. This very abbey became the core of the town, around which the life of the future city began to form. The name has Slavic origins (from the old name Riezowe), which is etymologically linked to the concept of a "cleft" or "lowland," describing the characteristic landscape of the river valley.
Riesa's development from a small settlement into a significant town was largely determined by its favorable location on the banks of the Elbe River. The waterway provided opportunities for fishing, water supply, and navigation, linking the region with important trade routes. The Benedictine monastery, founded in the 12th century, remained a center of power for centuries, and it was around it that the economic life of the surrounding area was organized.
In the first centuries of its existence, Riesa's economy was subservient to the needs of the monastery: agriculture was the basis of life, but the monks also actively developed crafts, including milling and brewing. For a long time, the settlement remained under ecclesiastical jurisdiction and lacked autonomy. Riesa only received official city rights in 1623, marking the beginning of a new stage—the transition to secular management and the expansion of trade relations.