The correct answer is Rome, which has served as the capital of Italy since the country's unification was completed in 1871, when the city was annexed from the Papal States and declared the seat of the Italian government. Rome sits on the Tiber River in the Lazio region of central Italy and functions today as the nation's political, administrative, judicial, and cultural centre, housing the Italian Parliament, the President's official residence at the Quirinal Palace, and numerous ministries. Its historical weight as the capital of the ancient Roman Empire gives it added significance in exam questions that blend geography with history. The three distractors are all major Italian cities but none functions as the national capital. Milan, in the north, is Italy's financial and fashion capital and the second-largest city, often confused with Rome precisely because of its economic prominence. Naples, in the south, is historically significant and one of Europe's oldest continuously inhabited cities, but it has never held national capital status. Turin, in Piedmont, was actually the first capital of the unified Kingdom of Italy from 1861 to 1865, before the seat moved briefly to Florence and finally to Rome in 1871 — a chronological detail that frequently trips up well-prepared candidates who recall Turin's historical role but misapply it to the present day. This is the common exam confusion examiners exploit: assuming the largest, richest, or first capital remains the current one. The safe revision takeaway is to fix a single anchor fact — Rome is Italy's capital since 1871 — and to remember Turin and Florence only as earlier, now-superseded capitals in the unification timeline, never as current answers.