Legendary Uludağ Gazoz The unique formula of Legendary Uludağ Gazoz was developed by our Honorary Chairman Nuri Erbak and has been kept as a family secret for four generations. Since 1932, Legendary Uludağ Gazoz has been offering consumers a delightful and delicious beverage, made with Uludağ water and granulated sugar derived from sugar beets. One of the standout features of the product is its timeless, iconic bottle. Legendary Uludağ Gazoz continues to bring moments of joy with its unique taste and timeless design.