Siau Island - 4 Things to Know Before Visiting

Bangka is an island lying east of Sumatra, administratively part of Sumatra, Indonesia, with a population of about 1 million. It is the 9th largest island in Indonesia and the main part of Bangka-Belitung Province, being one of its namesakes alongside the smaller Belitung across the Gaspar Strait. The provincial capital, Pangkal Pinang, lies on the island. The island is administratively divided into 4 regencies and a chartered city.

Bunaken National Park is a marine park in the north of Sulawesi island, Indonesia. The park is located near the centre of the Coral Triangle, providing habitat to 390 species of coral as well as many fish, mollusc, reptile and marine mammal species. The Park is representative of Indonesian tropical water ecosystems, consisting of seagrass plain, coral reef, and coastal ecosystems.

Tangkoko Batuangus Nature Reserve also known as Tangkoko-Batuangus Dua Saudara is a nature reserve in the northern part of Sulawesi island of Indonesia, two hours drive from Manado. The reserve covers an area of 8,700 hectares and includes three mountains: Mount Tangkoko Mount Dua Saudara and Mount Batuangus.

Mount Tongkoko or Mount Tangkoko is a stratovolcano in the north of Sulawesi, Indonesia. Its summit has an elongated deep crater. On the east flank there is a flat lava dome Batu Angus. Historical records only show eruptions in the nineteenth century. The Tangkoko Nature Reserve is a refuge for such species as the Celebes crested macaque and spectral tarsier.

Lembeh Strait is a strait in Indonesia, separating the islands of Sulawesi and Lembeh. The town of Bitung and Tongkoko volcano are located on the western side of the strait. The strait is known for its abundant and colorful marine life, in particular sea slugs, and is a popular diving spot.

Manado Tua is a volcanic island in the Celebes Sea off the northeast coast of Sulawesi. The name Manado comes from manadou or wanazou meaning "on the far coast" or "in the distance," which derived from Minahasan languages. When the settlement on the island was relocated to Sulawesi, the name Manado was brought with it, and the island became referred to as Manado Tua.