"The Messenger of Allah stayed overnight in dhul-Hulaifah, where he started his Hajj with this action, and he prayed in the Masjid there.''(sahih)  

بَاتَ رَسُولُ اللَّهِ ﷺ بِذِي الْحُلَيْفَةِ بِبَيْدَاءَ وَصَلَّى فِي مَسْجِدِهَا  

when the Messenger of Allah was in Dhul-Hulaifah someone came to him and he was told: "You are in a blessed valley.''(sahih)  

عَنْ رَسُولِ اللَّهِ ﷺ أَنَّهُ وَهُوَ فِي الْمُعَرَّسِ بِذِي الْحُلَيْفَةِ أُتِيَ فَقِيلَ لَهُ إِنَّكَ بِبَطْحَاءَ مُبَارَكَةٍ  

That the Messenger of Allah stopped in the valley that is in Dhul-Hulaifah and prayed there. (sahih)  

أَنَّ رَسُولَ اللَّهِ ﷺ أَنَاخَ بِالْبَطْحَاءِ الَّتِي بِذِي الْحُلَيْفَةِ وَصَلَّى بِهَا