Hadithcore
Mishkat al-Masabih, 2754

Anas reported the Prophet (ﷺ) as saying, “O God, put in Medina twice as much blessing as You have put in Mecca." Bukhari and Muslim.

وَعَنْ أَنَسٍ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «اللَّهُمَّ اجْعَلْ بِالْمَدِينَةِ ضِعفَي مَا جعلت بِمَكَّة من الْبركَة»

References1 variant
In-Book Reference
Book 10, Hadith 243