Wadi Al-Salaam means Valley of Peace is an Islamic cemetery, located in the Shia holy city of Najaf, Iraq. It is the largest cemetery in the world. The cemetery covers 1,485.5 acres and contains some 5,00,000 bodies and attracts millions of pilgrims annually. According to an undertaker at the cemetery, each crypt can hold up to 50 bodies. The burial plots are controlled by Marja'. Shia tradition holds that Abraham bought land in Wadi-us-Salaam and that Ali said the Wadi was a part of heaven.