This is the 366th most frequent Indonesian word.
belitung
Belitung: An island in Indonesia, located off the east coast of Sumatra.
Here, 'Belitung' refers to a proper noun, the name of the island 'Belitung Island' in Indonesia.
Pulau Belitung terkenal dengan batu granit besar di pantainya.
Belitung Island is famous for its large granite rocks on its beaches.
In this sentence, 'Belitung' is used as an adjective describing the origin of the sweet, associating it with the region.
Saya membeli manisan khas Belitung sebagai oleh-oleh.
I bought a specialty sweet from Belitung as a souvenir.
Here, 'belitung' refers to a species or a reference named after the Belitung Island.