The Flag of Cantabria, Spain, is a heraldic banner emblematic of the autonomous community of Cantabria, located on the north coast of Spain. Adopted in 1985, the flag features three vertical stripes in the colors red, white, and blue.The top and bottom stripes are red, symbolizing the region's historical links to the Kingdom of Castile. The central stripe is white, representing Cantabria's coastal character and the waves of the Cantabrian Sea. The blue color, which appears in the canton (upper corner) of the flag, represents the Cantabrian Mountains that dominate the region's interior landscape.The flag design reflects the coat of arms used by the Dukes of Cantabria during the Middle Ages and emphasizes the region's unique identity within Spain. The proportions of the flag are 2:3, meaning it is twice as long as it is tall. The flag is an essential element of Cantabrian culture and is proudly displayed during regional celebrations and festivities.