Surah Ali 'Imran — Ayah 96 (3:96)
إِنَّ أَوَّلَ بَيۡتٖ وُضِعَ لِلنَّاسِ لَلَّذِي بِبَكَّةَ مُبَارَكٗا وَهُدٗى لِّلۡعَٰلَمِينَ ٩٦
English translation (Saheeh International)
Indeed, the first House [of worship] established for mankind was that at Bakkah [i.e., Makkah] - blessed and a guidance for the worlds.
Brief commentary
The first House built on earth for all people to worship Allah was the Sacred House of Allah in Makkah: a House of worship full of worldly and sacred blessings, and guidance for all the worlds.