Mestre is the most populated borough of the comune of Venice, in Veneto, Italy.
Administratively, Mestre forms the Municipalità di Mestre-Carpenedo, one of the six boroughs of the comune of Venice. Sometimes it is considered as a frazione. With 88,552 inhabitants, Mestre is the most populated urban centre of the comune. The population of the borough of Mestre-Carpenedo is 89,373.