King Abdullah I Mosque is the largest mosque in Amman and the most architecturally distinctive, built between 1982 and 1989 with a striking blue-tiled octagonal dome that can be seen from much of the city. The dome is 35 metres in diameter and is decorated with geometric patterns in deep blue, blue-green, and white tilework. The prayer hall beneath accommodates around 3,000 worshippers.
Unlike most mosques in Jordan, this one actively welcomes non-Muslim visitors and has a small museum covering Islamic art and the history of Jordanian mosques. Women are provided abayas at the entrance if needed. The setting in Abdali, surrounded by modern buildings and government offices, lacks the atmospheric context of the Husseini Mosque downtown, but the architecture is more monumental.