Some time ago,an interesting discovery was made by archaeolo

Some time ago,an interesting discovery was made by archaeologists on the Aegean island of Kea.
上面那句是新概念英语3册3课的原话,
其中一部分：on the Aegean island of Kea.书上翻译是：在爱琴海的基亚岛上.
而我觉得按照语法应该翻译成：在基亚的爱琴海岛上.
真心求老师解答,是语法问题还是翻译的问题?假设我不知道爱琴海是大地点,基亚是小地点.