The District of Monza was one of the four divisions of the , the province of Milan during the Napoleonic Italian Republic. It received the numeral III and its capital was Monza.
The district Founded on May 13, 1801, it had a population of 78,201 inhabitants. It was composed by the communes of Monza with part of:
Brugherio Sant’Ambrogio e Cassina della Santa Agliate Agrate Aicurzio Albiate Albignano Arcore Basiano Belinzago Bellusco Bernareggio Bernate Biassono Bisentrate Bornago Burago Busnago Bussero Calò Cambiago Camparada Camporicco Canonica al Lambro Caponago Carate Carnate Carugate Casate nuovo Cassano sull’Adda Cassina Baraggia Cassina de’ Bracchi Cassina de’ Pecchi Cassine San Pietro Cavenago Cernusco Asinario Cernusco Lombardone Colnago Concesa Concorezzo Contra Corezzana Cornate Costa Gessate Gorgonzola Grezzago Gropello Incugnate Inzago Lesmo Lissone Lomagna Lomaniga Maresso Masate Melzo Merate Mezzago Moncucco Monte Montevecchia Novate Omate Oreno Ornago Osnago Paderno Paina Pessano Porto Pozzo Pozzuolo Robiate Roncello Ronco Ruginello San Damiano Sant’Agata Seregno Sovico Sulbiate inferiore Sulbiate superiore Trecella Tregasio Trezzano Trezzo Usmate Vaprio Vedano Velate Verderio inferiore Verderio superiore Vergo Villanuova Vimercate
Sources Historical database of Lombard laws (it.)