While Mayor Michelle Wu is no longer facing a challenger, the municipal election Tuesday will determine the Boston City Council’s four at-large seats and the contested district seats. Here’s everything voters need to know about heading to the polls Tuesday.

Polls across the city will be open between 7 a.m. and 8 p.m. across the 275 voting precincts . Printed ballots will be available in English and Spanish, English and Chinese, and English and Vietnamese, the city said, and poll workers can provide assistance in those languages, as well as Haitian Creole, Cape Verdean, Russian, and Portuguese.

The city said 32,737 of the 51,769 mailed ballots have been returned, and the voters can return their ballots to the 22 drop boxes or at City Hall before 8 p.m. on Tuesday. These ballots cann

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