(2) باب فِي الْبَعْثِ وَالنُّشُورِ وَصِفَةِ الأَرْضِ يَوْمَ الْقِيَامَةِ
Sahl b. Sa'd reported that Allah's Messenger (ﷺ) said:
The people will be assembled on the Day of Resurrection on a white plain with a reddish tinge like the loaf of white bread with no marks set up for anyone.
Reference: Sahih Muslim 2790
In-book reference: Book 52, Hadith 11
USC-MSA web (English) reference(deprecated numbering scheme): Book 39, Hadith 6708