Salzburg ( /ˈsɔːlzˌbɜrɡ/, /ˈsɔːltsˌbɜrɡ/, /ˈsɑːlzˌbɜrɡ/, /ˈsæltsˌbɜrɡ/, /ˈzɑːltsˌbɜrɡ/ or /ˈzæltsˌbɜrɡ/; German pronunciation: [ˈzalt͡sbʊɐ̯k] ; Austro-Bavarian: Såizburg; literally: "Salt Castle") is the fourth-largest city in Austria and the capital city of the federal state of Salzburg.