The provides essential public services:
registry of births and deaths,
registry of deeds, and maintenance of local roads and public works. Many have a (), which is responsible for public order duties. The also deal with the definition and compliance with the (), a document that regulates the building activity within the communal area. All communal structures or schools, sports and cultural structures such as communal libraries, theaters, etc. are managed by the . must have their own communal statute and have a climatic and seismic classification of their territory for the purposes of hazard mitigation and
civil protection. also deal with the
waste management. It is headed by a
mayor ( or ) assisted by a legislative body, the (), and an executive body, the (). The mayor and members of the are elected together by resident citizens: the coalition of the elected mayor (who needs a relative majority or an absolute majority in the first or second round of voting, depending on the population) gains three fifths of the 's seats. The is chaired by the mayor, who appoints others members, called , one of whom serves as deputy mayor (). The offices of the are housed in a building usually called the , or (). As of January 2021, there were 7,904 in Italy; they vary considerably in size and population. For example, the of
Rome, in
Lazio, has an area of and a population of 2,758,454 inhabitants, and is both the largest and the most populated. for the title of . It is located in the upper part of the coat of arms of the .
Atrani in the
province of Salerno (
Campania) is the smallest by area, with only , and
Morterone (
Lombardy) is the smallest by population. Many present-day trace their roots along timescales spanning centuries and at times millennia. The northernmost is
Predoi, the southernmost one
Lampedusa e Linosa, the westernmost
Bardonecchia and the easternmost
Otranto. The with the longest name is
San Valentino in Abruzzo Citeriore, while the with the shortest name are
Lu,
Ro,
Ne,
Re and
Vo'. The population density of the varies widely by
province and
region. The
province of Barletta-Andria-Trani, for example, has 381,091 inhabitants in 10 , or over 39,000 inhabitants per ; whereas the
province of Isernia has 81,415 inhabitants in 52 , or 1,640 inhabitants per —roughly 24 times more communal units per inhabitant. The coats of arms of the are assigned by decree of the
Prime Minister of Italy by the Office of State Ceremonial and Honors, Honors and Heraldry Service (division of the Presidency of the Council born from the transformation of the Royal , eliminated pursuant to the provisions final of the
Constitution of Italy). == Subdivisions ==