CITY HOLY ARABIA is a term that refers to the cities in the Arabian Peninsula that are considered holy by Muslims. Mecca (5 letters) is the holiest city in Islam, and is the birthplace of the Prophet Muhammad. Medina (6 letters) is the second holiest city in Islam, and is the burial place of the Prophet Muhammad. Riyadh (6 letters) is the capital of Saudi Arabia and is home to many important Islamic sites. ADEN (4 letters) is a port city in Yemen and is an important pilgrimage site for Muslims. Aqaba (5 letters) is a port city in Jordan and is known for its beautiful beaches. Yemen (5 letters) is a country in the Arabian Peninsula and is home to many important Islamic sites. EMIR (4 letters) is an Arabic title of nobility, and is often used to refer to rulers of countries in the Arabian Peninsula.