is a transboundary Ramsar complex on the border of Iran and Pakistan.
*Hamun-e-Puzak, south end - Hamun-e-Saberi & Hamun-e-Helmand is a transboundary Ramsar complex on the border of Afghanistan and Iran.
* Landscapes of Dauria is a World Heritage Site on the border of Mongolia and Russia on the Daurian Steppe. It is composed of Dornod Mongol Biosphere Reserve