Tanah Merah District is a district in the state of Kelantan in northeast Peninsular Malaysia. The urban area of Tanah Merah is situated alon…Tanah Merah District is a district in the state of Kelantan in northeast Peninsular Malaysia. The urban area of Tanah Merah is situated along the Kelantan River. It is bordered by Pasir Mas District in the north, Machang District to the east, Kuala Krai District to the south east, Jeli District to the south west and Thailand in the west.