Deserted since its wells went dry in the 19th century, Ouara is the former capital of the Ouaddaï

Ouaddaï

Ouaddaï may refer to:* Ouaddaï Prefecture* Ouaddaï Region* Ouaddai Empire* Ouaddai plateau*Ouaddaï highlands...

 lying near Abéché

Abéché

-Demographics:Demographic evolution:-References:...

 in eastern Chad

Chad

Chad , officially known as the Republic of Chad, is a landlocked country in Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic to the south, Cameroon and Nigeria to the southwest, and Niger to the west...

. Situated between hills, it is still home to a ruined palace

Palace

A palace is a grand residence, especially a royal residence or the home of a head of state or some other high-ranking dignitary, such as a bishop or archbishop. The word itself is derived from the Latin name Palātium, for Palatine Hill, one of the seven hills in Rome. In many parts of Europe, the...

, mosque

Mosque

A mosque is a place of worship for followers of Islam. The word is likely to have entered the English language through French , from Portuguese , from Spanish , and from Berber , ultimately originating in — . The Arabic word masjid literally means a place of prostration...

 and city wall. These ruins were added to the UNESCO World Heritage Tentative List on July 21st, 2005, in the cultural category.