Masjid-u-Shajarah is one of several Miqats for Muslims on pilgrimage to Mecca for umrah or hajj. Abar Ali is the name of a place where Masjid-u-Shajarah is situated, 7 km outside Medina in Dhul Hulaifah.SourcesLocation of Miqat Sheikh Muhammad Nasirudin al-Albani, Manaasik-ul-Hajj wal 'Umrah fil Kitaab wa Sunnah wa Athar as-Salaf