The flag of the Region of Murcia was defined in Article 4.1 of the Statute of Autonomy of the Region of Murcia, which established the following:The flag of the Region of Murcia is rectangular and consists of four castles with battlements or, in the upper left corner, arranged in rows of two, and seven royal crowns in the lower right corner, arranged in four rows, with a pattern of one, three, two, and one, respectively; against a crimson or carmine red background