A rencong is a traditional weapon from Aceh

Aceh

Aceh is a special region of Indonesia, located on the northern tip of the island of Sumatra. Its full name is Daerah Istimewa Aceh , Nanggroë Aceh Darussalam and Aceh . Past spellings of its name include Acheh, Atjeh and Achin...

, Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

. It is slightly similar in appearance to a kris

Kris

The kris or keris is an asymmetrical dagger or sword nowadays most strongly associated with the culture of Indonesia, but also indigenous to Malaysia, Southern Thailand and Brunei. It is known as kalis in the southern Philippines. The kris is famous for its distinctive wavy blade , but many have...

. As with krisses, people attribute mystical powers to rencongs. The rencong is still worn during traditional ceremonies.

A rencong's blade

Blade

A blade is that portion of a tool, weapon, or machine with a cutting edge and/or a pointed tip that is designed to cut and/or puncture, stab, slash, chop, slice, thrust, or scrape animate or inanimate surfaces or materials...

 can vary in length from 10 to 50 cm. The blade can be cranked like a kris but sometimes it is straight. It is put in a scabbard

Scabbard

A scabbard is a sheath for holding a sword, knife, or other large blade. Scabbards have been made of many materials over the millennia, including leather, wood, and metals such as brass or steel.-Types of scabbards:...

 that is made of wood

Wood

Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...

, ivory

Ivory

Ivory is a term for dentine, which constitutes the bulk of the teeth and tusks of animals, when used as a material for art or manufacturing. Ivory has been important since ancient times for making a range of items, from ivory carvings to false teeth, fans, dominoes, joint tubes, piano keys and...

, horn

Horn (anatomy)

A horn is a pointed projection of the skin on the head of various animals, consisting of a covering of horn surrounding a core of living bone. True horns are found mainly among the ruminant artiodactyls, in the families Antilocapridae and Bovidae...

, or sometimes even silver

Silver

Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...

 or gold

Gold

Gold is a chemical element with the symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a...

. The rencong is worn in one's belt on the stomach.

Acehnese believe the form of the rencong to represent the Basmala

Basmala

Basmala or Bismillah is an Arabic noun used as a collective name for the whole of the recurring Islamic phrase b-ismi-llāhi r-raḥmāni r-raḥīmi, It is sometimes translated as "In the name of God, Most Gracious, Most Merciful"...

.

Aceh is also known as "The Land of Rencong" (Tanah Rencong).