From Sahih Bukhari (Hadith 2129):
Narrated `Abdullah bin Zaid:The Prophet (ﷺ) said, "The Prophet Abraham (ﷺ) made Mecca a sanctuary, and asked for Allah's blessing in it. I made Medina a sanctuary as Abraham made Mecca a sanctuary and I asked for Allah's Blessing in its measures the Mudd and the Sa as Abraham did for Mecca
Reference: Bukhari 2129