Last November 2025 marked a turning point in the fight against the illegal trafficking of works of art and cultural goods in Europe. During an action day coordinated by the Bulgarian authorities, with the support of Europol and the participation of agents from up to six countries, an extensive criminal network dedicated to the looting and illicit trade of Greco-Roman and Thracian antiquities was dismantled.

This operation is the result of years of research and international cooperation and puts the spotlight on a phenomenon that has a major impact on European and world cultural heritage.
It all started in 2020, when a house raid in Bulgaria culminated in the seizure of 7,000 priceless cultural assets. The lack of reliable documentation and the large number of objects set off all the alarms: it was, in all probability, one of the largest sets of looted antiquities discovered in the country.
Among these objects were:
- masks and antique jewellery,
- military equipment,
- ceremonial vases and cups,
- unique pieces dating back to 2000 BC.
Since then, the collection has been kept in custody at the Bulgarian National History Museum, while a far-reaching investigation progressed that has ultimately revealed a highly organised cross-border criminal network.
The action day was as impressive as it was meaningful:
- 35 arrests in Bulgaria.
- 131 searches in several countries (Bulgaria, Albania, France, Germany and Greece).
- More than 3,000 goods seized, including gold and silver coins.
- Total estimated value: more than 100 million euros.
- In addition, works of art, weapons, documents, electronic equipment, gold and more than 50,000 euros in cash were seized.
The main High Value Target (HVT) of the investigation is suspected of financing illegal excavations in Bulgaria and other Balkan countries. The mechanism was clear: groups of local looters excavated archaeological sites to order, and intermediaries laundered the pieces through the international art market.
The case highlights a reality well known to investigators: the art market is a fertile ground for criminal activities. The demand for unique objects and the difficulty of verifying their provenance facilitate the entry of illegally looted artefacts.
The Balkans and Italy, rich in Greco-Roman archaeological heritage, have been the target of antiquities trafficking networks for decades. And this problem is not local: pieces from conflict zones such as Syria or Iraq are often mixed in.
Since 2024, a Europol task force has been instrumental in connecting dots, linking suspects and identifying devices scattered across several countries. This model of cooperation – combining analytics, information sharing and joint actions – is more necessary today than ever.
The dismantling of the network is an important victory but also a reminder: the protection of cultural heritage requires constant vigilance and coordinated global efforts.
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