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.

They paid taxes on various agricultural products, including olive trees, vineyards, fruit trees, vegetables and fruit garden, orchards, bayt al-mal wa mal ga'ib, goats and beehives, in addition to occasional revenues; a market toll and water mill; a total of 14,500 akçe.

There is a theory that the town's name is connected with the Moabite King Eglon mentioned in the Bible, though the precise derivation is obscure.

It was renovated as a fort in 1184 by Izz al-Din Usama, a general in the army of Saladin.

There are also reports that when the west wall fell apart in the heavy rains and snow in January 2013 a Bible and crosses were found in the old section.

A scholar on both Mar Elias and Ajlun Castle is Mohammad Abu-Abeileh in Jordan.

The Ajloun mountains are famous for their lush vegetation and thick green forests, many locals and tourists visit the area for hiking.

Ajloun has a Mediterranean weather rainy and snowy in winter season and pleasant in the summer time.