The Calculus Affair
Borduria is a fictional country in "The Adventures of Tintin", the comics series by Belgian cartoonist Hergé. It is located in the Balkans and has a rivalry with the fictional neighbouring country of Syldavia. Borduria is depicted in "King Ottokar's Sceptre" (1938-1939) and "The Calculus Affair" (1954-1956), and is referred to in "Tintin and the Picaros" (1975-1976). Its international rival is Khemed.