The word "广州市" is formed by combining three characters: 广, which abbreviates the province name Guangdong (广东); 州, meaning prefecture or administrative division; and 市, meaning city; together they specify Guangzhou as the city within Guangdong Province.
Word Definition - 广州市
guǎng zhōu shìGuangzhou, sub-provincial city and capital of Guangdong Province 廣東省|广东省[guǎngdōng shěng]