What is called Eid-e-Ghorban in Iran is called Eid al-Adha in most Muslim-majority countries. Either way, this holiday is the “Feast of the Sacrifice” in reference to the willingness of Ibrahim to sacrifice his son Ishmael at Allah’s command, though Ishmael was spared and a goat sacrificed instead.
They then divide the meat three ways. One third goes to the household who performed the sacrifice, one third to friends, relatives, and neighbours, and the final third to those too poor to afford their own sacrificial animal.
Many also attend services at the local mosque or at local public prayer grounds. And there are also a lot of special cultural festivals put on.