Tlemcen is a city in Northern Algeria. What is Tlemcen known for- It’s known for Moorish buildings, such as the 11th-century Grand Mosque, with a tall minaret and elaborate mihrab (prayer niche). Who is Sidi Boumediene and what is he famous for- Your Professional guide will explain all that as he takes you to his grave, which is a place of pilgrimage. See an example of Almoravid architecture, with carved stucco at the city center, where the 12th-century palace of El Mechouar which is protected by a high wall.