Surah Al-Baqarah, ayah 149

2:149

وَمِنۡ حَيۡثُ خَرَجۡتَ فَوَلِّ وَجۡهَكَ شَطۡرَ ٱلۡمَسۡجِدِ ٱلۡحَرَامِۖ وَإِنَّهُۥ لَلۡحَقُّ مِن رَّبِّكَۗ وَمَا ٱللَّهُ بِغَٰفِلٍ عَمَّا تَعۡمَلُونَ ١٤٩

Wamin haythu kharajta fawalli wajhaka shatral-masjidil-harāmi wa innahū lalhaqqu mir rabbika wamallāhu bighāfilin 'ammā ta'malūn

So from wherever you go out [for prayer, O Muḥammad], turn your face toward al-Masjid al-Ḥarām, and indeed, it is the truth from your Lord. And Allāh is not unaware of what you do.