Sayyiduna Bilal bin al-Harith (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) said: "Ramadan in Madinah is better than a thousand Ramadans in other cities, and one Friday in Madinah is better than a thousand Fridays in other cities."
Hadith Referenceالمعجم الكبير للطبراني / باب الباء / 1138