Jamath Masthan Masjid, a 400 year old mosque, is situated near Kallupalam Junction in
Alappuzha District of
Kerala. It has a makbara of Mastan Valiullahi. An annual Urs called Aandu Nercha of Mastan Valiullahi is a major draw. The Urs is held in the month of
Muharram. The festivity begins on the first day of the month and lasts for 17 days.