Mecca, a city in the Hejazi region of Saudi Arabia, is the holiest city in Islam and a pilgrimage site for millions of Muslims each year. Visit the iconic Masjid al-Haram, explore the bustling markets around the Grand Mosque, or drink from the Zamzam Well. Mecca's rich Islamic history, spiritual significance, and the annual Hajj pilgrimage make it a city of deep religious importance.