Aal-'Imran - 3:96

إِنَّ أَوَّلَ بَيْتٍ وُضِعَ لِلنَّاسِ لَلَّذِي بِبَكَّةَ مُبَارَكًا وَهُدًى لِّلْعَالَمِينَ
[3:96]
Most surely the first house appointed for men is the one at Bekka, blessed and a guidance for the nations.
The first House (of worship) appointed for men was that at Bakka: Full of blessing and of guidance for all kinds of beings:
Lo! the first Sanctuary appointed for mankind was that at Becca, a blessed place, a guidance to the peoples;