The Bandar Baharu District (colloquially Bandaq Baqhu or Bandaq Baru; once proposed to be renamed as Bandar Crustacea[3]) is a district containing a town of the same name and a state assembly constituency at the southernmost end of Kedah, Malaysia.

The Bandar Baharu District is located along the Kedah-Penang-Perak border tripoint, 37 km (23 mi) southeast of George Town, Penang's capital city.

The district's logistical needs are met by Penang's transportation infrastructure.

This district covers an area of 168.3 km2 and consists of seven sub-districts: Serdang, Kuala Selama, Sungai Batu, Bagan Samak, Permatang Pasir, Sungai Kecil Ilir and Relau.

The district is the southernmost and second smallest local government area in Kedah.