Gayo Coffee Beans, From Aceh (Arabica)

Gayo coffee beans are produced in the Northern part of Indonesia in Aceh. The most producing areas of Gayo coffee beans are Central Aceh, Bener Meriah, and a part of Gayo Lues.

Gayo coffee beans is known widely for its rich yet remarkable taste, which tends to be buttery and nutty. It has a good acidity level that shapes powerful characteristics yet provides a clean aftertaste. The aroma may vary, but it is considered to have hints of spicy aroma. 

Mandheling Coffee Beans, From North Sumatra (Arabica)

The varieties of Arabica beans that are mostly used are the Catimor and Typica. Mandheling coffee beans taste is considered to have an enjoyable amount of acidity with a deep herbal aroma and woody yet clean earthy notes. 

Kintamani Coffee Beans, From Bali (Arabica)

Kintamani coffee beans provide a distinctive taste, suitable for those who do not like the bitter taste generally found in coffee. As a substitute, you'll get a milder taste and sweet flavor with a hint of sour freshness.

The citrus-like sour taste is developed since the coffee farmers grow the coffee in the same areas as vegetables and oranges. They also implement subak irrigation systems to grow the coffee organically. Bali Beans Plantation is the best coffee plantation to visit in Bali to taste the coffee and know the end-to-end process better.

Toraja Coffee Beans, From Toraja (Arabica)

Cultivated mostly by numerous individuals in the north of Makassar, South Sulawesi, the Toraja coffee beans have left a taste of sensation that has become a favorite for Northern European countries.

The flavor it offers is also complex. Aside from spicy notes similar to other Indonesian coffee beans, it hints at a savory note, along with an intensely fruity and earthy taste. In addition, it also offers a pleasant aroma mixed with spices like cinnamon, nutmeg, and cloves. Still, the aftertaste is clean and balanced..

Luwak Coffee Beans (Indonesian Specialty Coffee)

Indonesian Luwak coffee beans are cultivated in only a few regions and become part of Indonesia specialty coffee beans. The largest producing regions are in the Sumatra Islands, which are Central Aceh, Sidikalang, West Sumatra, and Lampung.
It is called so since Luwak, or Asian palm civet, has a major role in its production. Civet eats coffee beans but only the perfectly ripe ones, then known to be the best quality coffee beans.
It goes to their digestive system for around 24 to 36 hours before it comes out within the animal's poop and can be washed, roasted, and grounded. The exclusivity in the process is what makes its flavor particular and pricey. 

Temanggung Coffee Beans, From Central Java (Robusta)

Robusta is still the largest coffee bean variety that is cultivated in Indonesia. One of the types comes from a region in Central Java, which is called Temanggung.
The Temanggung coffee beans offer a slight taste of tobacco. Generally, it has a medium level of acidity along with a balanced sweet and bitter taste and a toothsome aroma of mocha.