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. 他的家乡在广东省。

   tā de jiā​xiāng zài Guǎng​dōng Shěng.

   His hometown is in Guangdong Province.

   Source: Dong Chinese Dictionary

3. 广州市是广东省的省会。

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

   Guangzhou is the capital of Guangdong Province.

   Source: Dong Chinese Dictionary