Florence drew 6.2 million visitors and ~12.8 million overnight stays in 2025 — record international arrivals at 4.65 million — into a historic core of five square kilometres holding 95% of flows. The most concentrated tourism economy in Europe.
The metro area recorded ~6.2 million visitors in 2025: international arrivals hit a record 4.65 million (+18% on 2024, now including non-business holiday rentals in ISTAT's count) against 1.55 million domestic. Overnight stays run ~12.8 million, foreigners ~9.8 million of them. The first four months of 2026 added +3.5% arrivals and +5.4% nights, with the foreign share of nights at 79.2%.
The density frame: the historic centre is ~5 km² absorbing 95% of tourist flows; average daily visitors run ~44,000, surging past 80,000 in peak summer; the metropolitan province has ~989,000 residents, swelling toward 1.5 million in season. The Uffizi drew 5.3 million visitors in 2024 — Italy's second museum after the Colosseum — and the Accademia 2.1 million.
Markets: the United States is the fortress — ~900,000 arrivals a year, above pre-pandemic — followed by Germany, France and Spain; international visitors spend ~€230 a day. Tourist tax (€4.50–8.00 per night by category, €7 in five-stars from 2025) raised €76.9 million in 2024 — more than Milan or Venice.
Florence is density economics at its extreme: 44,000 average daily visitors — 80,000+ on peak days — against 362,000 residents, in a centre smaller than an airport. The result is a city that functions best off-script. Practically: the Uffizi (5.3M visitors, Italy's #2 museum) and Accademia require timed booking weeks out; but the Oltrarno, San Frediano, Sant'Ambrogio market and the Fiesole hill are the same city at half the pressure — and January–March delivers Florence with the museums nearly to yourself at soft hotel rates. The market mix is American-led (900,000 US arrivals a year, the #1 source), with Germany, France and Spain behind — and domestic Italian stays are gently declining as foreigners take share. For the watcher: Florence is the policy laboratory — Italy's highest tourist tax (€76.9M), short-rental regulation, and now a municipality openly pushing flows beyond the centre. How a 5-km² Renaissance city absorbs six million visitors is the European overtourism question in miniature.
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