Flag of the city of Alor Setar, Kedah, Malaysia.
Source: http://www.mbas.gov.my/bendera1;jsessionid=78B845F95AAB2DE59AE16458B019EF77
Red and yellow symbolise the state of Kedah

Blue is the corporate colour of the Alor Setar City Council (MBAS)
Own work
Derkommander0916