The Mawaqit of Hajj Sahih Muslim 1182 d
Translation
Ibn 'Umar (Allah be pleased with them) reported that the Messenger of Allah (ﷺ) had commanded the people of Medina to enter upon the state of Ihram at Dhu'l-Hulaifa; the people of Syria at Juhfa; the people of Najd at Qarn (al-Manazil). 'Abdullah b. 'Umar (Allah be pleased with them) said
I was informed that he said that the people of Yemen should enter upon the state of Ihram at Yalamlam.