How many obligation of hajj?

Hajj consists of several key obligations that must be performed by those undertaking the pilgrimage. The main obligations include entering the state of Ihram, performing the Tawaf (circumambulation) around the Kaaba, standing at Arafat, and completing the Tawaf al-Ifadah. Additionally, the stoning of the Jamaraat and the sacrifice of an animal are also essential rituals. Completing these acts fulfills the basic requirements of Hajj.