格赖斯岛是瑞典的岛屿，位于该国东部波罗的海波的尼亚湾，由乌普萨拉省负责管辖，面积93.26平方公里，是该国十大岛屿，岛上居民人口约800。

• Gräsö.nu

Gräsö is an island in Östhammar Municipality, off the coast of Uppland province on the eastern coast of Sweden. It is also the name of a village on the island which lies at the southern end of the Gulf of Bothnia. The island has an area of 93 square kilometres (36 sq mi) and a population of about 800. The island has a mixture of fields and woodland. It is a popular summer resort.