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The province of Siena (, ) is a
province A province is an administrative division within a country or sovereign state, state. The term derives from the ancient Roman , which was the major territorial and administrative unit of the Roman Empire, Roman Empire's territorial possessions ou ...
in the
Tuscany Tuscany ( ; ) is a Regions of Italy, region in central Italy with an area of about and a population of 3,660,834 inhabitants as of 2025. The capital city is Florence. Tuscany is known for its landscapes, history, artistic legacy, and its in ...
region of Italy. Its capital is the city of
Siena Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in central Italy, and the capital of the province of Siena. It is the twelfth most populated city in the region by number of inhabitants, with a population of 52,991 ...
. It has 259,826 inhabitants.


Geography

The province is divided into seven historical areas: * Alta Val d'Elsa * Chianti senese * The urban area of (
Monteriggioni Monteriggioni is a ''comune'' in the province of Siena in the Italian region of Tuscany. It borders on the communes of Casole d'Elsa, Castellina in Chianti, Castelnuovo Berardenga, Colle di Val d'Elsa, Poggibonsi, Siena, and Sovicille. The town ...
and
Siena Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in central Italy, and the capital of the province of Siena. It is the twelfth most populated city in the region by number of inhabitants, with a population of 52,991 ...
) * Val di Merse * Crete Senesi Val d'Arbia * Val di Chiana senese *
Val d'Orcia The Val d'Orcia or Valdorcia () is a region of Tuscany, central Italy, which extends from the hills south of Siena to Monte Amiata. Its gentle, cultivated hills are occasionally broken by gullies and by towns and villages such as Pienza (rebu ...
and
Monte Amiata Mount Amiata is the largest of the lava domes in the Amiata lava dome complex located about 20 km northwest of Lake Bolsena in the southern Tuscany region of Italy. It is located within the provinces of Grosseto and Siena. Geology Mount ...
The area is a hilly one: in the north is Colline del Chianti;
Monte Amiata Mount Amiata is the largest of the lava domes in the Amiata lava dome complex located about 20 km northwest of Lake Bolsena in the southern Tuscany region of Italy. It is located within the provinces of Grosseto and Siena. Geology Mount ...
is the highest point at ; and in the south is Monte Cetona. To the west are the
Colline Metallifere The Colline Metallifere (), or the Metalliferous Hills ("Metal-bearing Hills"), are a mountain-hill group in the Tuscany, Tuscan Antiapennine, in central Italy. They occupy the central-western part of Tuscany, divided between the province of Liv ...
(), whilst the
Valdichiana The Val di Chiana, Valdichiana, or Chiana Valley, formerly Clanis Valley, is a tectonic valley of central Italy, whose valley floor consists of important alluvial residues filled up since the 11th century, lying on the territories of the provinc ...
lies to east. Historically, the province corresponds to the northeastern portion of the former
Republic of Siena The Republic of Siena (, ) was a historic state consisting of the city of Siena and its surrounding territory in Tuscany, Central Italy. It existed for over 400 years, from 1125 to 1555. During its existence, it gradually expanded throughout south ...
. The chief occupations are agricultural (wheat, grapes and fruit) and silk culture. The wine known as
Chianti Chianti is an Italian red wine produced in the Chianti (region), Chianti region of central Tuscan wine, Tuscany, principally from the Sangiovese grape. It was historically associated with a squat bottle enclosed in a straw basket, called a ''fia ...
is produced here as well as in other parts of Tuscany: the Chianti Colli Senesi, however, is limited to this province. Apart from the city of
Siena Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in central Italy, and the capital of the province of Siena. It is the twelfth most populated city in the region by number of inhabitants, with a population of 52,991 ...
the principal towns are
Poggibonsi Poggibonsi is a town in the province of Siena, Tuscany, Central Italy. It is located on the River Elsa (river), Elsa and is the main centre of the Valdelsa, Valdelsa Valley. History The area around Poggibonsi was already settled in the Neolithic ...
,
Colle di Val d'Elsa Colle di Val d'Elsa or Colle Val d'Elsa is a town and ''comune'' in the province of Siena, Tuscany. It has a population of c. 21,600 . Its name means "Hill of Elsa Valley", where Elsa (river), Elsa is the name of the river which crosses it and Val ...
,
Montepulciano Montepulciano () is a medieval and Renaissance hill town and ''comune'' in the Italian province of Siena in southern Tuscany. It sits high on a limestone ridge, east of Pienza, southeast of Siena, southeast of Florence, and north of Rome ...
,
Chiusi Chiusi ( Etruscan: ''Clevsin''; Umbrian: ''Camars''; Ancient Greek: ''Klysion'', ''Κλύσιον''; Latin: ''Clusium'') is a town and ''comune'' in the province of Siena, Tuscany, Italy. History Clusium (''Clevsin or Camars'' in Etruscan) ...
, and
San Gimignano San Gimignano (; named after St. Geminianus) is a small walled medieval hill town in the province of Siena, Tuscany, north-central Italy. Known as the Town of Five Towers, San Gimignano is famous for its medieval architecture, unique in the pr ...
.


Municipalities

There are 35 municipalities (''
comuni A (; : , ) is an administrative division of Italy, roughly equivalent to a township or municipality. It is the third-level administrative division of Italy, after regions () and provinces (). The can also have the City status in Italy, titl ...
)'' in the province. The 10 most populous municipalities as of 2025 are: This is the complete list of municipalities in the province of Siena: *
Abbadia San Salvatore Abbadia San Salvatore is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about southeast of Siena, in the area of Monte Amiata. The town is named after the Abbey of th ...
*
Asciano Asciano () is a ''comune'' and hill town in the province of Siena in the Italy, Italian region Tuscany. It is located at the centre of the Crete senesi between the river Ombrone and the torrent Copra, some southeast of the town of Siena by rail. ...
*
Buonconvento Buonconvento is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about south of Florence and about southeast of Siena in the area known as the Crete Senesi. It is one of I Borghi più belli d'Italia ("T ...
*
Casole d'Elsa Casole d'Elsa �kaːzoleis a ''comune'' (municipality) in the Province of Siena in the Italy, Italian region Tuscany, located about southwest of Florence and about west of Siena. Main sights The church of ''San Niccolò'', of Romanesque arc ...
*
Castellina in Chianti Castellina in Chianti is a ''comune'' (municipality) of c. 2,800 inhabitants in the province of Siena, in the Italian region Tuscany, located about south of Florence and about northwest of Siena. It is part of the Chianti Hills, between the ...
*
Castelnuovo Berardenga Castelnuovo Berardenga is a ''comune'' (municipality) in the province of Siena in the Italian region Tuscany, located about southeast of Florence and about east of Siena. Since 1932 it has been included in the Chianti wine-production area. The ...
*
Castiglione d'Orcia Castiglione d'Orcia is a ''comune'' (municipality) in the Province of Siena in the Italian region of Tuscany, located about southeast of Florence and about southeast of Siena, in the Val d'Orcia, not far from the Via Cassia. Castiglione d'Orci ...
*
Cetona Cetona is a town and ''comune'' in the southern part province of Siena, Tuscany, in an area where Umbria and Lazio meet. It is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy"). The geographical elevation is between a ...
*
Chianciano Terme Chianciano Terme is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about southeast of Siena. It is located between the Valdichiana and the Val d'Orcia. Chianciano Terme ...
*
Chiusdino Chiusdino is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about south of Florence and about southwest of Siena. Chiusdino borders the following municipalities: Casole d'Elsa, Monticiano, Montieri, R ...
*
Chiusi Chiusi ( Etruscan: ''Clevsin''; Umbrian: ''Camars''; Ancient Greek: ''Klysion'', ''Κλύσιον''; Latin: ''Clusium'') is a town and ''comune'' in the province of Siena, Tuscany, Italy. History Clusium (''Clevsin or Camars'' in Etruscan) ...
*
Colle di Val d'Elsa Colle di Val d'Elsa or Colle Val d'Elsa is a town and ''comune'' in the province of Siena, Tuscany. It has a population of c. 21,600 . Its name means "Hill of Elsa Valley", where Elsa (river), Elsa is the name of the river which crosses it and Val ...
*
Gaiole in Chianti Gaiole in Chianti is a ''comune'' (municipality) in the Province of Siena in the Italy, Italian region Tuscany, located about southeast of Florence and about northeast of Siena. ''Forbes'' named it number one in its list of "Europe's Most Idyl ...
*
Montalcino Montalcino is a hill town and ''comune'' in the province of Siena, Tuscany, central Italy. The town is located to the west of Pienza, close to the Crete Senesi in Val d'Orcia. It is from Siena, from Florence and from Pisa. Monte Amiata is l ...
*
Montepulciano Montepulciano () is a medieval and Renaissance hill town and ''comune'' in the Italian province of Siena in southern Tuscany. It sits high on a limestone ridge, east of Pienza, southeast of Siena, southeast of Florence, and north of Rome ...
*
Monteriggioni Monteriggioni is a ''comune'' in the province of Siena in the Italian region of Tuscany. It borders on the communes of Casole d'Elsa, Castellina in Chianti, Castelnuovo Berardenga, Colle di Val d'Elsa, Poggibonsi, Siena, and Sovicille. The town ...
*
Monteroni d'Arbia Monteroni d'Arbia is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about south of Florence and about southeast of Siena in the area known as the Crete Senesi. It takes its names from the Arbia torren ...
*
Monticiano Monticiano is a town and ''comune'' on the right bank of the Val di Merse, Province of Siena, Tuscany, central Italy. The town is situated on the Colline Metallifere. One of its ''frazione, frazioni'', Bagni di Petriolo, is popular for its Therma ...
*
Murlo Murlo is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about south of Florence and about south of Siena. Murlo borders the following municipalities: Buonconvento, Civitella Paganico, Montalcino, Mon ...
*
Piancastagnaio Piancastagnaio is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about southeast of Siena. It is located on the Monte Amiata slopes. The main attractions include the ...
*
Pienza Pienza () is a town and ''comune'' in the province of Siena, Tuscany, in the historical region of Val d'Orcia. Situated between the towns of Montepulciano and Montalcino, it is considered the "touchstone of Renaissance urbanism". In 1996, UNESCO d ...
*
Poggibonsi Poggibonsi is a town in the province of Siena, Tuscany, Central Italy. It is located on the River Elsa (river), Elsa and is the main centre of the Valdelsa, Valdelsa Valley. History The area around Poggibonsi was already settled in the Neolithic ...
*
Radda in Chianti Radda in Chianti is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about north of Siena. Radda in Chianti borders the following municipalities: Castellina in Chianti ...
*
Radicofani Radicofani () is a ''comune'' in the Province of Siena in the Italian region Tuscany, located in the natural park of Val d'Orcia about southeast of Florence and about southeast of Siena. Radicofani borders the following municipalities: Abbadia ...
*
Radicondoli Radicondoli is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southwest of Florence and about southwest of Siena. Main sights Churches in Radicondoli include the ''Collegiata dei Santi Simon ...
*
Rapolano Terme Rapolano Terme is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about east of Siena in the area known as the Crete Senesi The Crete Senesi refers to an area of the I ...
*
San Casciano dei Bagni San Casciano dei Bagni is a ''comune'' (municipality) in the Province of Siena in the Italian region of Tuscany, located about southeast of Florence and about southeast of Siena. It is one of I Borghi più belli d'Italia ("The most beautiful vill ...
*
San Gimignano San Gimignano (; named after St. Geminianus) is a small walled medieval hill town in the province of Siena, Tuscany, north-central Italy. Known as the Town of Five Towers, San Gimignano is famous for its medieval architecture, unique in the pr ...
*
San Quirico d'Orcia San Quirico d'Orcia is a ''comune'' (municipality) of about 2,500 inhabitants in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about southeast of Siena inside the Valdorcia landscape. It is named in ...
*
Sarteano Sarteano is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about southeast of Siena. Sarteano is particularly important from the historical point of view. Located betwe ...
*
Siena Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in central Italy, and the capital of the province of Siena. It is the twelfth most populated city in the region by number of inhabitants, with a population of 52,991 ...
*
Sinalunga Sinalunga is a town and ''comune'' in the province of Siena, in the Tuscany region of central Italy. History Aside from scanty prehistoric findings, the oldest historical remains date from the 8th century BC, when Sinalunga was perhaps an Etrusca ...
*
Sovicille Sovicille is a ''comune'' (municipality) in the Province of Siena in the Italy, Italian region of Tuscany. It is located about south of Florence and approximately southwest of Siena. Sovicille borders the ''comuni'' of Casole d'Elsa, Chiusdino, ...
*
Torrita di Siena Torrita di Siena is a ''comune'' (municipality) in the Province of Siena in the Italian region of Tuscany, located about southeast of Florence and about southeast of Siena. Torrita di Siena borders the following municipalities: Cortona, Montepu ...
*
Trequanda Trequanda is a ''comune'' (municipality) in the Province of Siena in the Italian region Tuscany, located about southeast of Florence and about southeast of Siena. Trequanda borders the following municipalities: Asciano, Pienza, Rapolano Terme, ...


Demographics


Government

The Province of Siena is an administrative body of intermediate level between a municipality (''
comune A (; : , ) is an administrative division of Italy, roughly equivalent to a township or municipality. It is the third-level administrative division of Italy, after regions () and provinces (). The can also have the City status in Italy, titl ...
'') and Tuscany region. The three main functions devolved to the province of Siena are: * local planning and zoning; * provision of
local police Municipal police, city police, or local police are Law enforcement agency, law enforcement agencies that are under the control of local government. This includes the Municipality, municipal government, where it is the smallest Administ ...
and
fire services A fire department (North American English) or fire brigade ( Commonwealth English), also known as a fire company, fire authority, fire district, fire and rescue, or fire service in some areas, is an organization that provides fire prevention an ...
; * transportation regulation (car registration, maintenance of local roads, etc.). As an administrative institution, the province of Siena has its own elected bodies. From 1945 to 1995 the President of the province of Siena was chosen by the members of the Provincial Council, elected every five years by citizens. From 1995 to 2014, under provisions of the 1993 local administration reform, the President of the Province was chosen by popular election, originally every four, then every five years. On 3 April 2014, the
Italian Chamber of Deputies The Chamber of Deputies () is the lower house of the bicameral Italian Parliament, the upper house being the Senate of the Republic (Italy), Senate of the Republic. The two houses together form a perfect bicameral system, meaning they perform ...
gave its final approval to the Law n.56/2014 which involves the transformation of the Italian provinces into "institutional bodies of second level". According to the 2014 reform, each province is headed by a President (or Commissioner) assisted by a legislative body, the Provincial Council, and an executive body, the Provincial Executive. President (Commissioner) and members of Council are elected together by mayors and city councilors of each municipality of the province respectively every four and two years. The Executive is chaired by the President (Commissioner) who appoint others members, called '' assessori''. Since 2015, the President (Commissioner) and other members of the Council do not receive a salary. In each province, there is also a Prefect (''
prefetto Prefect (from the Latin ''praefectus'', substantive adjectival form of ''praeficere'': "put in front", meaning in charge) is a magisterial title of varying definition, but essentially refers to the leader of an administrative area. A prefect' ...
''), a representative of the central government who heads an agency called ''prefettura-ufficio territoriale del governo''. The Questor (''questore'') is the head of State's Police (''
Polizia di Stato The (State Police or P.S.) is one of the national Law enforcement in Italy, police forces of Italy. Alongside the Carabinieri, it is the main police force for providing police duties, primarily to cities and large towns, and with its child agen ...
'') in the province and his office is called ''questura''. There is also a province's police force depending from local government, called
provincial police State police, provincial police or regional police are a type of sub-national territorial police force found in nations organized as federations, typically in North America, South Asia, and Oceania. These forces typically have jurisdiction ...
(''polizia provinciale'').


List of presidents of the province of Siena


References


External links

* {{Authority control
Siena Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in central Italy, and the capital of the province of Siena. It is the twelfth most populated city in the region by number of inhabitants, with a population of 52,991 ...
Siena Siena ( , ; traditionally spelled Sienna in English; ) is a city in Tuscany, in central Italy, and the capital of the province of Siena. It is the twelfth most populated city in the region by number of inhabitants, with a population of 52,991 ...