Book 24, Hadith 37

It was narrated from Salim, from his father, that the Prophet said:"The people of Al-Madinah should enter into Ihram from Dhul-Hulaifah, the people of Ash-sham from Al-Juhfah, the people of Najd from Qarn." And it was mentioned to me, although I did not hear him say it: "And the people of Yemen should enter into Ihram from Yalamlam.;