Rome punishes the unplanned and rewards the early. Give it three days organised by theme rather than geography-be-damned sprinting, and the city opens up: one day for the ancients, one for the Vatican, one for the Rome that Romans actually live in.

Key facts

  • Book ahead: the Colosseum, the Vatican Museums and the Borghese Gallery all use timed entry — reserve on official sites
  • The centre is compact; you will walk a lot, so shoes matter more than taxis
  • Fountains of free drinking water (the little nasoni) run all over the city
  • Many churches close for a stretch in the middle of the day

Day one: the ancient city

Start at the Colosseum at your booked time, as early as you can get. The arena floor and the upper tiers tell the story better than any guide-book paragraph. From there the same archaeological area covers the Roman Forum and the Palatine Hill — enter the Forum from the Colosseum side and walk the Via Sacra, the road where triumphs marched.

Climb the Capitoline Hill for Michelangelo's piazza and, if energy allows, the Capitoline Museums. End the afternoon at the Pantheon, the best-preserved building of the ancient world, its concrete dome still open to the sky. Cross the river for dinner in Trastevere, where the evening passeggiata fills the cobbled lanes.

Day two: the Vatican and the baroque centre

Be at St Peter's Basilica early — the queue for security only grows. The basilica is free; the dome climb, for a fee, earns you the definitive view down the colonnades of St Peter's Square and across the city.

Give the late morning and early afternoon to the Vatican Museums, booked ahead. Pace yourself: the map galleries and Raphael rooms come before the Sistine Chapel, and it is worth arriving at Michelangelo's ceiling with attention to spare.

Walk back along the river past Castel Sant'Angelo, then into the baroque heart: Piazza Navona with Bernini's Fountain of the Four Rivers, coffee nearby, and after dark the Trevi Fountain — floodlit and marginally less mobbed late in the evening. Throw the coin. It is obligatory.

Day three: the living city

Begin with the Borghese Gallery — Bernini's marbles and Caravaggio's canvases in a villa above the park. Entry is by timed reservation, typically for a two-hour slot, so book well ahead. Stroll down through the Villa Borghese gardens to the Spanish Steps.

Spend midday around Campo de' Fiori, where the morning market still trades, and lunch on pizza al taglio eaten standing up like a local. In the afternoon, cross to the Aventine Hill: the Orange Garden's terrace view, and the famous keyhole through which St Peter's dome appears perfectly framed at the end of a garden avenue.

Finish in Testaccio, the old working-class quarter that remains the city's most serious eating neighbourhood, for a farewell plate of carbonara or cacio e pepe.

Tip: Rome's centre is loveliest between 7 and 9 in the morning — golden light, empty piazzas, open cafes. Whatever your plan says, walk one detour each morning purely for the atmosphere.

Three days gives you the essential Rome. The rest — and there is endlessly more — is what return trips are for.