Jacobaea maritima is native to the western and central Mediterranean region, in northwest Africa (Morocco, northern Algeria, Tunisia), southern Europe (Spain, Gibraltar, southern France including Corsica, Italy including Sardinia and Sicily, Malta, Slovenia, Croatia, Bosnia-Herzegovina, Kosovo, Montenegro, Serbia, Macedonia, and Greece), and the far west of Asia (Turkey).
It is also naturalised further north in Europe (north to Great Britain and Ireland, where occurring mainly in mild coastal areas[REF][REF]) and locally in North America [REF].