锡奥岛是印度尼西亚北苏拉威西省的岛屿，属于桑义赫群岛的一部分，位于苏拉威西岛北端的西里伯斯海海域，岛上北部的卡兰吉田火山是印尼最活跃的火山之一，岛上有约五万名居民。

• Trip to Siau Island

Siau is an island in North Sulawesi, Indonesia, located in the Sangir Archipelago approximately 130 km (81 mi) off the northern tip of Sulawesi in the Celebes Sea.

The northern part of the island forms the volcano known as Karangetang (Api Siau), which is one of Indonesia's most active volcanoes.