Krue Se Mosque

Krue Se Mosque is a centuries-old, unfinished brick mosque in Pattani — one of southern Thailand’s most significant Islamic heritage sites. Its domes were never built, its walls stand exposed brick rather than plastered, and it has been under Fine Arts Department protection as a national monument since 1935.

The mosque’s exact age is disputed. Local tradition and some historical texts date its construction to the 1570s–90s under the Pattani sultanate; other analysis of the brickwork points to the mid-1600s, during the Ayutthaya period. What’s agreed is that Krue Se sat at the heart of what was once Pattani’s old city and trading port, when the sultanate was a major regional hub for Muslim traders moving between the Malay Peninsula, India, and China.

The building’s unfinished state is its defining feature. Local legend attributes the mosque to a Chinese immigrant, Lim Toh Khiam, who is said to have converted to Islam and married into the Pattani royal court. According to the story, his sister Lim Ko Niao travelled from China to bring him home and, when he refused to leave, placed a curse on the mosque: it would never be completed, and lightning would strike anyone who tried. No dome was ever added, whatever the real reason, and the round pillars and pointed Middle Eastern-style arch doorways still open to open brick rather than a finished roofline.

Watch out: On 28 April 2004, the mosque was the site of a violent clash during the wider unrest in Thailand’s southern border provinces — gunmen involved in coordinated attacks on police outposts across the region took refuge inside, and Thai security forces killed all of them after a stand-off. It’s a documented, sober piece of the mosque’s modern history rather than something that defines a visit today; the site functions as an active place of worship and a protected monument, and has been restored multiple times, most recently in 2005.

Krue Se remains active for daily prayer, so dress modestly — covered shoulders and knees — and keep voices low if a service is under way. The mosque sits on Highway 42, the Pattani–Narathiwat road, a short drive from central Pattani. It pairs naturally with the Lim Ko Niao Shrine, dedicated to the very figure in the curse legend, and with Pattani Central Mosque in town, a modern contrast to Krue Se’s centuries-old brick.