Although no evidence has been uncovered to verify this story, most scholars agree that before the great wave of Han Chinese migration to Taiwan that began 400 years ago, the entire area of northern Taiwan as far north as Keelung and as far south as Taoyuan was the domain of the Ketagalan people.
雖然這個說法尚未獲得證實，但大多數的學者同意，在距今四百年漢人大規模渡海來台之前，北從基隆、南到桃園，整個大台北地區都屬凱達格蘭族的活動範圍。