Nedroma is a city in Tlemcen Province, in northwestern Algeria, about 77 kilometres from Tlemcen. Once the capital of Trara, it was built on the ruins of a Berber town by Abd al-Mu'min the Almohad caliph. It has a great Islamic history, with its Great Mosque of Nedroma once containing the earliest surviving Almoravid minbar. Nedroma became a UNESCO W…Nedroma is a city in Tlemcen Province, in northwestern Algeria, about 77 kilometres from Tlemcen. Once the capital of Trara, it was built on the ruins of a Berber town by Abd al-Mu'min the Almohad caliph. It has a great Islamic history, with its Great Mosque of Nedroma once containing the earliest surviving Almoravid minbar. Nedroma became a UNESCO World Heritage in 2002 for its cultural importance.