The Byline Bank Aragon Ballroom is a ballroom turned event space located in Chicago in the Uptown neighborhood, approximately 5 miles north of Downtown. The Aragon Ballroom was built by brothers Andrew and William Karzas, who turned to ballrooms after making their early fortunes in nickelodeons and movie theaters. Their first dance hall pr…The Byline Bank Aragon Ballroom is a ballroom turned event space located in Chicago in the Uptown neighborhood, approximately 5 miles north of Downtown. The Aragon Ballroom was built by brothers Andrew and William Karzas, who turned to ballrooms after making their early fortunes in nickelodeons and movie theaters. Their first dance hall project was the 1922 Trianon Ballroom in Chicago designed by renowned theater architects Rapp & Rapp. With hopes of duplicating the success of the Trianon, the brothers opened the Aragon on July 15, 1926, once again turning to movie theater experts for building design. Architects Huszagh & Hill designed the Aragon’s stucco exterior in Spanish Baroque style while movie palace designer John Eberson decorated the interior to resemble the courtyard of a Moorish castle.