Article 78 of Monaco's constitution makes the whole territory a single commune, so an elected town council and a sovereign principality administer the same streets. Monaco's territory, 208 hectares by the statistics institute's count in 2026, runs along a slope between the French frontier and the Mediterranean, and 38,857 people lived on it on 1 January 2025. Inside that one municipality sit a hereditary prince, a parliament of 24 members, a constitutional court and a statistics office that estimates its output. At that scale a single reclaimed district, Mareterra, unveiled in December 2024, added about 3% to the country, and one football transfer once added a point and a half to its growth.
At a glance
Where it is
Where Monaco is, and what is around it
Monaco has a coast. It shares a border with 1 country, counted as shared borders, which includes neighbours across water.
How one commune covers the whole of Monaco
Article 78 is one line long: "Le territoire de la Principauté forme une seule commune." Monaco has no capital distinct from the country as a result. The record lists the capital as Monaco, with the same 38,857 residents on 1 January 2025 that it counts for the state, and gives the urban share of the population as 100% in 2025. There is no countryside to set against the town. Wikipedia records fishing as the one natural resource and no commercial agriculture of any kind.
The commune keeps institutions of its own inside the state's. Its Communal Council has fifteen members, elected for four years by Monegasque citizens voting for lists, and it chooses the mayor and deputies from among them. It meets every three months, for sessions of no more than fifteen days, and its decisions take effect fifteen days after they reach the Minister of State unless he objects by a reasoned arrêté. Part of its money is an allocation written into the state budget. The constitution lets one person sit on the Communal Council and the National Council at the same time.
The ground is divided twice. An ordinance of 13 September 2013 splits it into seven planning wards and keeps Monaco-Ville on the Rock and the ravine of Sainte-Dévote as reserved sectors under an ordinance of 1959. Older usage gives four quarters: Monaco-Ville on the headland, La Condamine around the harbour, Monte-Carlo on the plateau to the east and Fontvieille on ground raised from the sea.
| Body | How it is chosen | Members | What it decides |
|---|---|---|---|
| The prince | Hereditary succession under Article 10 | One | Initiates and promulgates laws, appoints the government |
| Minister of State and Council of Government | Appointed by the prince | The minister and five others | Runs the administration |
| National Council | Elected for five years by Monegasque citizens aged 18 and over | 24 | Votes laws and the budget |
| Communal Council | Elected for four years by the same electorate | 15 | Administers the commune |
| Supreme Tribunal | Named by the prince from nominated candidates | Five, with two alternates | Rules on constitutional rights and administrative acts |
How the Grimaldis held the Rock under other powers
The state began as a fortress built for another city. Genoese Ghibellines started it on the summit of the Rock on 10 June 1215, and in 1297 Francesco Grimaldi, of a Guelph family banished from Genoa, seized it, by tradition with his men dressed as Franciscan friars. The Wikipedia article on the family calls that story largely anecdotal. He was evicted within a few years, and the possession that lasted began in 1419, when a branch of the family bought Monaco from the Crown of Aragon.
A series of protectors followed. Spain held the role from 1524 to 1641 and France from 1641, and after an annexation to France from 1793 to 1814 the Congress of Vienna placed Monaco under the Kingdom of Sardinia in 1815. Menton and Roquebrune, whose townspeople had tired of heavy princely taxes, seceded in 1848. Once France had taken Nice in 1860, Charles III gave up his claim to both towns, about 95% of the territory at the time, for a price Wikipedia records as four million francs in one article and 4,100,000 in another. The Franco-Monegasque Treaty of 2 February 1861 recognised the sale and Monaco's sovereignty together.
A casino company founded in 1863 paid for the state that was left, and in 1869 the principality stopped collecting income tax from its residents. Under a treaty of 17 July 1918 any heir to the throne needed French approval. The treaty signed on 24 October 2002 left the succession to Monaco's own constitution, and Monaco: history follows each of these exchanges in turn.
Where Monaco finds new ground
The frontier with France is 5,469 metres long by IMSEE's measure, and it crosses the slope part of the way up, following no ridge or stream. The highest point in the record, 162 metres on the Chemin des Révoires, is simply where that line cuts the hillside, and the ground keeps rising beyond it into France. The fourth side is the sea, with 4,856 metres of coast measured outside the ports and beaches.
Every gain in area since 1861 has come from that side. The government's chronology gives 145 hectares for the territory left in 1861 and 202 hectares for 2005. Fontvieille, built between 1966 and 1973 on a seabed that falls quickly to 30 or 40 metres, added 220,000 square metres, and the BBC reported in 2025 that a quarter of the territory has been reclaimed since 1907. Mareterra, the six-hectare district unveiled in December 2024, stands on 18 concrete caissons set on the sea floor.
The weather is measured at the Jardin Exotique, high on the slope, where observations began in 1969. The mean temperature there was 18.1 °C in 2025, against a decade average of 15.7 °C for 1971 to 1980. Monaco's geography works through the limestone, the fills and the station's series.
Who makes Monaco's laws and who votes
Article 66 defines a law as "l'accord des volontés du Prince et du Conseil National". The prince alone proposes and promulgates; the National Council of 24 alone debates and votes. The government that applies the law, a Minister of State and a Council of Government, answers to the prince under Article 50, and the constitution of 17 December 1962, revised on 2 April 2002, contains no motion of censure.
The electorate is a minority of the people those laws govern. Only citizens of Monegasque nationality vote, and Wikipedia gives them as 24.1% of residents in 2024, with French nationals at 21.8% and Italians at 19.5%. Naturalisation, one way into the electorate, is a prerogative of the prince.
France sets the frame around all of it. Article 1 calls Monaco a sovereign and independent state "dans le cadre des principes généraux du droit international et des conventions particulières avec la France". Under the 2002 treaty France guarantees Monaco's independence and territory, Monaco's actions accord with France's fundamental interests, and defence rests with France. Monaco joined the United Nations in 1993 and the Council of Europe in 2004, and it stays outside the European Union while using the euro. Monaco: politics follows the two wills through the budget, the courts and the treaty.
Why Monaco measures its economy by who works there
IMSEE counted 65,680 salaried workers at the end of 2024 against 38,423 residents, and 87.5% of those workers lived outside the principality. Output in 2024 came to 10.28 billion euros, estimated from the income side because Monaco has no system of national accounts, and it grew 8.8% in real terms by IMSEE's figure and 8.5% by the World Bank's. At that size one transaction shows in the total. The director of IMSEE told Monaco Hebdo in November 2025 that the year Mbappé was sold to Paris Saint-Germain produced 1.5 points of growth.
The state lives without a tax on personal income. Revenue comes from a 20% value added tax, commercial transaction taxes, state monopolies and franchises, the casino among them. Finance and insurance produced 17.6% of output in 2024 and construction 9.6%, the second swollen that year by the completion of Mareterra. The economy article explains why the statisticians divide output by workers as well as residents.
What Monaco's culture kept beside the resort
The Société des Bains de Mer, founded by decree of Charles III in 1863, built the resort that Charles III named Monte Carlo in 1866. Its casino, rebuilt by Charles Garnier from 1878, contains the opera house, the Salle Garnier, which opened on 25 January 1879 and took in Diaghilev's Ballets Russes in 1911. Monegasque citizens are barred from the gaming rooms. Albert I, an oceanographer, set the Oceanographic Museum on the seaward flank of the Rock, a building 100 metres long and more than 85 metres high, inaugurated in 1910.
The citizens' own culture ran alongside. French is the official language of the state under Article 8 of the constitution, and Article 9 makes the Roman Catholic religion the religion of the state. Monégasque, a Ligurian vernacular, was forbidden in class once schooling settled into French, and the historian Claude Passet dates the ban to the 1960s. Canon Georges Franzi gave the first Monégasque lesson on 21 November 1972, and in 1976 the language became compulsory in the last three years of primary school. Monaco: culture follows the language, the saint's day and the stage.
How visitors reach Monaco and where they sleep
IMSEE estimated nearly 6.7 million visits in 2025, and 92.5% of them were made by excursionists who slept outside the principality. Residents of France made 47.9% of all visits. The beds are few: 13 classified hotels held 2,460 rooms in 2025.
There is no airport. Nice Côte d'Azur is a little under an hour away by train, the railway station is a stop on a French line, and there have been no land border controls since 1963. The tourist office stamps a souvenir mark in a passport on request, because the frontier leaves no mark. Travel in Monaco follows the visitors month by month.
Read
Everything about Monaco
Six articles, each answering one question and each written to be read on its own.
The record
What is measured about Monaco
Pages that nobody writes, built from the record and from the data files beside it.
Common questions
Questions about Monaco
Why does Monaco have no separate capital?
Article 78 of the constitution makes the whole territory one commune, so the capital and the country are the same place. The record gives the capital as Monaco with the same 38,857 residents it counts for the state on 1 January 2025. Monaco-Ville, La Condamine, Monte-Carlo and Fontvieille are quarters of that one commune.
Who can vote in Monaco's elections?
Citizens of Monegasque nationality aged 18 and over, in National Council and communal elections alike. Foreign residents have no vote, and Wikipedia gives Monegasques as 24.1% of residents in 2024. Entry to the electorate by naturalisation is a prerogative of the prince, exercised after the Crown Council has been consulted, and Wikipedia notes that Monaco does not allow dual citizenship.
Which country defends Monaco?
France, under the treaty of 24 October 2002. French forces may enter at the prince's request or with his consent, and without it only when Monaco's independence, sovereignty or territory is under grave and immediate threat and its public powers have stopped functioning. Monaco keeps no navy or air force. Its own force is the Compagnie des Carabiniers du Prince, created in 1817 to guard the prince and the palace.
What languages are spoken in Monaco?
French is the official language under Article 8 of the constitution. Monégasque, a variety of Ligurian, has no official status; it has been compulsory in the last three years of primary school since 1976, and street signs in Monaco-Ville carry both languages.
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