Северный Калимантан
The North Borneo Federation, also known as North Kalimantan or Negara Kesatuan Kalimantan Utara (Unitary State of North Kalimantan) in Malay, was a proposed political entity which would have comprised the British Colonies of Sarawak, British North Borneo (now known as the Malaysian state of Sabah) and the protectorate of Brunei.