市政府 (shìzhèngfǔ) is a noun meaning 'city government' or 'municipal government.' It is a compound of 市 (city), 政 (politics/governance), and 府 (office/seat of government), and refers to the local governing body of a city.
市政府决定在河边修建一座新公园。
shì zhèngfǔ juédìng zài hé biān xiūjiàn yī zuò xīn gōngyuán.
The city government decided to build a new park by the river.
市政府发布了新的交通管理规定。
shì zhèngfǔ fābù le xīn de jiāotōng guǎnlǐ guīdìng.
The city government issued new traffic management regulations.
居民们向市政府反映了噪音问题。
jūmínmen xiàng shì zhèngfǔ fǎnyìng le zàoyīn wèntí.
Residents reported the noise problem to the city government.