The Walipur Alamgiri Mosque is located in Walipur village under Hajiganj Upazila of Chandpur district. In the same locality, there are two mosques—the Alamgiri Mosque, also referred to as the Shahi Mosque, and the Shah Shuja Mosque. The Alamgiri Mosque, constructed in 1692 AD during the reign of Mughal Emperor Alamgir Aurangzeb, has undergone various restoration works that have affected its original condition, though enough remains to provide a clear sense of its initial design and plan. A Persian inscription with fine nastaliq script over the central doorway records its construction by a person named Abdullah.
Architecturally, the mosque is oblong, measuring 15.24 meters by 8.23 meters, with a distinctive central eastern facade featuring a projected fronton bordered by octagonal turrets and a main doorway with a high arch surmounted by a half-dome within a rectangular frame. The mosque has seven total archways—three on the east facade and two on each of the north and south walls. Four external corners are reinforced by octagonal towers topped with kalasa finials.
Inside, two massive octagonal brick pillars divide the mosque into five square bays arranged along an east-west axis—the central bay is larger while the others are smaller. Arches interconnect these bays and extend upward to create a two-storied interior appearance. Each bay is roofed by domes crowned with lotus and kalasa finials on cylindrical drums, supported by half-domed squinches on the upper corners and blocked arches in between.
The mosque features three mihrabs in the qibla wall; the central one is semi-octagonal, flanked by two shallow rectangular mihrabs. While the original plaster has been replaced with modern cement plaster and the horizontal parapet is now plain, the building still showcases exquisite Mughal stucco ornamentation, including interlocking scrolls, floral designs, and rosettes decorating various arches and friezes.
The Alamgiri Mosque represents a significant example of the five-domed type of Bengal mosques, specifically the variant with a large central dome and four smaller domes on the corners. This architectural style, influenced by Ottoman and northern Indian mosques, marked a high point in Bengali mosque design. Although this model fell out of fashion for a time, it reappeared nearly two centuries later in the Becharam Dewri Mosque in Dhaka.
The Walipur Alamgiri Mosque stands as a testament to the skill and artistic perfection of Mughal architects and artisans in Bengal and continues to be a valuable heritage monument reflecting this rich architectural tradition