The Quba Masjid Outside Medina

The Quba Masjid (Quba' Masjid or Masjid al-Quba, just outside Medina, Saudi Arabia, is the first Islamic Masjid ever built.
Its first stones were positioned by the prophet Muhammad on his emigration from the city of Makkah to Medina
and the Masjid was completed by his companions. Muhammad spent more than 20 nights in this Masjid (after migrating)
praying qasr (a short prayer) while waiting for Imam Ali whose house was behind this Masjid.