The Flag of Aarwangen, Switzerland, is a heraldic banner representing the municipality of Aarwangen located in the Canton of Bern. It consists of two equal horizontal bands of white and red, with a black canton in the upper hoist corner bearing three yellow (or golden) roundels or discs arranged in a vertical line. This design symbolizes the village’s historical ties to the House of Bern and its role as a significant settlement within the region. The flag serves as an official emblem for Aarwangen, appearing on municipal buildings, events, and official documents, reflecting the town’s unique identity and tradition.