The Hashemite Kingdom of Jordan has a population of over 6.5 million people, with Arabic as the primary language. The capital and largest city is Amman. Jordan has a predominantly service-based economy centered around trade, tourism, and industries like fertilizers and medicines. Notable natural resources include phosphate, potash, and salt. Higher education is emphasized with over 30 universities throughout the country. Major cities and attractions include the capital Amman, Karak Castle, Jerash ruins, Petra, Aqaba, and Wadi Rum desert.