In addition there are three sub species of Bornean orangutan:

 

Pongo Pygmaeus Pygmaeus - Northwest Bornean Orangutan
Found in - Sarawak (Malaysia) and  Northwest Kalimantan (Indonesia)

Pongo Pygmaeus Wurmbii -  Central Bornean Orangutan
Found in Southern West Kalimantan and Central Kalimantan (Indonesia)

Pongo Pygmaeus Morio -  Northeast Bornean Orangutan:
Found in East Kalimantan (Indonesia) and Sabah (Malaysia)