The Zone 1 of Milan, since 2016 officially Municipality 1 of Milan, is one of the 9 administrative divisions of Milan, Italy. It was officially created as an administrative subdivision during the 1980s. On 14 April 2016, to promote a reform on the municipal administrative decentralization, the City Council of Milan established the new Municipality 1, a new administrative bod…The Zone 1 of Milan, since 2016 officially Municipality 1 of Milan, is one of the 9 administrative divisions of Milan, Italy. It was officially created as an administrative subdivision during the 1980s. On 14 April 2016, to promote a reform on the municipal administrative decentralization, the City Council of Milan established the new Municipality 1, a new administrative body responsible for running most local services, such as schools, social services, waste collection, roads, parks, libraries and local commerce.