Mallku is a title roughly translating as "prince" or "leader" in the Aymara

Aymara language

Aymara is an Aymaran language spoken by the Aymara people of the Andes. It is one of only a handful of Native American languages with over three million speakers. Aymara, along with Quechua and Spanish, is an official language of Peru and Bolivia...

 language of South America

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

. They recognise an Apu Mallku

Apu Mallku

Apu Mallku is an Aymara title meaning "supreme leader" or "king" conferred on a Mallku or "prince". The Apu Mallku's mandate is to oversee the vast network of Ayllus, an ancient Andean system of governing councils that predates even the Inca empire...

 as their "supreme leader" or "king". There is also an institution called the Council of Mallkus and Amautas which acts rather like an upper house of the indigenous parliament of the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 region and consists of four delegates from each of the modern Latin American states that comprise the Greater Collasuyu region.