分局 (fēnjú) is a noun meaning "sub-bureau" or "branch office." It refers to a local or subordinate branch of a larger government bureau or organization, commonly seen in contexts such as 公安分局 (police sub-bureau) or 邮政分局 (postal branch office).
你可以去最近的公安分局办理手续。
Nǐ kěyǐ qù zuìjìn de gōng'ān fēnjú bànlǐ shǒuxù.
You can go to the nearest public security sub-bureau to handle the procedures.
这个区新设了一个邮政分局。
Zhè gè qū xīn shè le yī gè yóuzhèng fēnjú.
A new postal sub-bureau has been established in this district.
分局的工作人员态度很好,效率也高。
Fēnjú de gōngzuò rényuán tàidù hěn hǎo, xiàolǜ yě gāo.
The staff at the sub-bureau have a great attitude and high efficiency.