Chapter 16: The Book of Pilgrimage
Ibn 'Umar (Allah be pleased with them) reported that the Messenger of Allah (ﷺ) said: The people of Medina should enter upon the state of Ihram at Dhu' l-Hulaifa, and people of Syria at Juhfa, and people of Najd at Qarn (al-Manazil), and 'Abdullah (further) said: It has reached me that the Messenger of Allah (ﷺ) also caid: The people of Yemen should enter upon the state of Ihram at Yalamlam.
Sahih Muslim 1182a