Padang Serai is a small town in Kulim district, Kedah, Malaysia. The town is located between Kuala Ketil and Lunas.
There are few villages such as Kg Teluk Binu, Kg Sidam Kanan, Kg Sentosa.
Coordinates: 05°30′N 100°34′E / 5.5°N 100.567°E / 5.5; 100.567