Portion of this vast graveyard said to be where close to 10,000 people were buried, among them many of the companions of Prophet Muhammad (Peace be upon him) sent into battle by the Caliph Hazrat Abu Bakr us Siddiq (May Allah be pleased with him) in 633 CE to fight against the false prophets such as Musailma Kazzab and Ansi, etc. This is near Fujaira, in the United Arab Emirates .