3 sentences

1. 广州是广东省的省会。

   Guǎng​zhōu shì Guǎng​dōng Shěng de shěng​huì.

   Guangzhou is the capital of Guangdong Province.

   Source: Dong Chinese Dictionary

2. 他打算下个月南下广州。

   tā dǎ​suàn xià gè yuè nán​xià Guǎng​zhōu.

   He plans to head south to Guangzhou next month.

   Source: Dong Chinese Dictionary

3. 广州的气候非常温暖，适合冬天去旅游。

   Guǎng​zhōu de qì​hòu fēi​cháng wēn​nuǎn, shì​hé dōng​tiān qù lǚ​yóu.

   The climate in Guangzhou is very warm, making it a good place to visit in winter.

   Source: Dong Chinese Dictionary