Dibba Al-Hisn (Arabic: دبا الحصن, white Dibba) is a pene-exclave of the emirate of Al-Sharjah, one of the seven United Arab Emirates. It is bordered by the Gulf of Oman from the East, Dibba Al-Baya (a province of Oman in Musandam) from the North, and Dibba Al-Fujairah from the South. It is also geographically part of the Dibba region. It is the smallest in size among the Dibbas. It is mostly known for its fish market and the ancient fortress from which it got its name. Also, it is known for its high density of population relative to the other Dibbas.