Sayyiduna Abdullah bin Amr (may Allah be pleased with them both) narrates that the Messenger of Allah (peace and blessings be upon him) said: "The zakah of the Muslims' wealth is to be taken at their watering places, or else in their courtyards."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الزكاة / 7362