|Location||Kangar, Perlis, Malaysia|
The mosque is named after Raja of Perlis at that time, Raja Syed Alwi Ibni Almarhum Tuan Syed Saffi Jamalullail.
Efforts to collect funds to construct the mosque began in 1920s. The construction began in 1931 and completed in 1933. It was then officially opened by Raja Syed Alwi. The mosque was declared a national heritage in 1988 under the National Heritage Act 2005.
The mosque was constructed with Mughal architecture.
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