Where were the assassins when they killed franz Ferdinand?

The assassins were in Sarajevo, Bosnia, when they killed Archduke Franz Ferdinand of Austria on June 28, 1914. The assassination took place as the archduke's motorcade was passing through the city. One assassin, Gavrilo Princip, successfully shot him after an initial bombing attempt failed. This event is widely regarded as a catalyst for the outbreak of World War I.