King Oud (Vietnam)KING OUD from Vietnam Agarwood is reputed to be the most expensive wood in the world. There are many names for the resinous, fragrant heartwood produced primarily by trees in the genus Aquilaria. Most commonly, the resin is known as agarwood, aloeswood, eaglewood, gaharu, agalocha or oudh (In Arabic) Agarwood has been used to make high quality incense since centuries. The people describe its smell as "a sweet, deep but balanced fragrance" and use it