The Shah Jahan Mosque is a historic mosque located in Thatta, Sindh, Pakistan. It was built during the reign of Mughal Emperor Shah Jahan in 1647 AD, and is considered to be one of the most beautiful examples of Mughal-era architecture in Pakistan.

The mosque is made of red bricks and blue tiles and is adorned with intricate calligraphy and geometric patterns. It has a large courtyard with a central ablution pool, which is surrounded by four minarets. The mosque's main prayer hall has a beautifully designed dome, which is considered to be one of the finest examples of Mughal-era architecture.

The mosque's interior is also decorated with intricate tilework, marble inlays, and frescoes. The walls are covered with beautiful calligraphy, including Quranic verses and other religious inscriptions.

In addition to its architectural beauty, the Shah Jahan Mosque is also known for its historical significance. It was built during a period of peace and prosperity in the region, and served as a center of learning and spirituality for centuries.