Zambratija () is a village in Umag municipality in Istria County, Croatia.
The Zambratija bay has a tidal islet, Ã Â ipar, with elevation -1 m below sea level.
In 2008, a sunken boat was discovered 200 meters off shore, and later investigation revealed that it was a Late Bronze Age boat, named the Zambratija shipwreck. It is the earliest known example of sewn boat hull construction technique in the Mediterranean.
According to the 2021 census, its population was 438. It was 443 in 2001.