There are no refugee camps in Afghanistan, but there are a number of refugee camps in Pakistan and Iran. The Office of the UN High Commissioner for Refugees (UNHCR) estimates that there are 2.1 million registered refugees in Pakistan and a further 1 million unregistered. Likewise in Iran there are approximately 1 million registered refugees and a further 1 million unregistered. UNHCR also believe that there are approximately 176,500 internally displaced persons in Afghanistan. It is believed that 31,500 of these were displaced by the on-going conflict.