Sahih al-Bukhari 429

Arabic

حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي التَّيَّاحِ، عَنْ أَنَسٍ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم يُصَلِّي فِي مَرَابِضِ الْغَنَمِ، ثُمَّ سَمِعْتُهُ بَعْدُ يَقُولُ كَانَ يُصَلِّي فِي مَرَابِضِ الْغَنَمِ قَبْلَ أَنْ يُبْنَى الْمَسْجِدُ‏.‏

English translation

Narrated Abu Al-Taiyah [??]:Anas said, "The Prophet (ﷺ) prayed in the sheep fold." Later on I heard him saying, "He prayed in the sheep folds before the construction of the, mosque

Reference: Sahih al-Bukhari 429, Book of Prayers (Salat). English translation by Dr. Muhammad Muhsin Khan.