The documentary series Hidden Secrets of the Adriatic takes viewers on a journey through the millennia-long history of the Adriatic Sea, from prehistoric communities, through ancient cities and maritime empires, historic battles, all the way to the modern era. In its first four episodes, the series uncovers lesser-known stories that have shaped the cultural and historical heritage of the region, offering a blend of scientific facts, archaeological discoveries, and visual storytelling that transports audiences into the past.

Filmed at locations along the Adriatic coast, featuring archaeological sites, historic cities, ancient architecture, and natural beauty, the series further brings to life stories from bygone times. Each episode combines expert interviews, archival materials, and reconstructions.

The world premiere of the Croatian documentary series Hidden Secrets of the Adriatic was broadcast on the Viasat History TV channel.