[1] In Trentino-Alto Adige and Aosta Valley the elections were held on 10 May with a second ballot on 24 May.
Municipal councilors and mayors ordinarily serve a terms of five years.
All mayoral elections in Italy in cities with a population higher than 15,000 use the same system.
The coalition of the elected mayor is guaranteed a majority of seats in the council with the attribution of extra seats, but the majority bonus system is not adopted by the cities of Trentino-Alto Adige.
Majority of each coalition in 120 municipalities (comuni) with a population higher than 15,000: