Ajloun(Arabic: عجلون‎, ‘Ajlūn), also spelled Ajlun, is the capital town of the Ajloun Governorate, a hilly town in the north of Jordan, located 76 kilometers (around 47 miles) north west of Amman. It is noted for its impressive ruins of a 12th-century castle, known now as Ajlun Castle.

The Ajlun Governorate has a population of over 142,000 widespread in 27 villages and towns over an area of about 420 km². The population is mainly composed of the following tribes: Al-Qudah (AlQudah), Al-Share, Al-Zghoul, Al-Momani, Al-smadi, Al-Shwayyat, Al-Freihat, Al-Khatatbah, and others. Rabadi, Haddad, and Iwais and are the main Christian tribes in Ajloun. Although Christians are a minority in the governorate, they form about the half of the population in Ajloun city; most Christians resides in Ajloun city along with Muslims of the Al-Smadi tribe. Other tribes are distributed in the other districts of the governorate. Ajloun Governorate has four seats in the national parliament, one of which is dedicated for the Christian minority.