Sunan an-Nasa'i 736

أَخْبَرَنَا الْحَسَنُ بْنُ إِسْمَاعِيلَ بْنِ سُلَيْمَانَ، قَالَ حَدَّثَنَا هُشَيْمٌ، قَالَ حَدَّثَنَا سَيَّارٌ، عَنْ يَزِيدَ الْفَقِيرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ جُعِلَتْ لِيَ الأَرْضُ مَسْجِدًا وَطَهُورًا أَيْنَمَا أَدْرَكَ رَجُلٌ مِنْ أُمَّتِي الصَّلاَةَ صَلَّى ‏"‏ ‏.‏

It was narrated that Jabir bin 'Abdullah said:"The Messenger of Allah (ﷺ) said: 'The earth has been made for me a place of prostration and a means of purification, so wherever a man of my Ummah is when the time for prayer comes, let him pray

Reference

Sunan an-Nasa'i 736

In-book

Book 8, Hadith 49