3 sentences

1. 广西的山水景色非常优美。

   Guǎng​xī de shān​shuǐ jǐng​sè fēi​cháng yōu​měi.

   The scenery in Guangxi is very beautiful.

   Source: Dong Chinese Dictionary

2. 南宁市是广西壮族自治区的首府。

   Nán​níng Shì shì Guǎng​xī Zhuàng​zú zì​zhì​qū de shǒu​fǔ.

   Nanning is the capital of the Guangxi Zhuang Autonomous Region.

   Source: Dong Chinese Dictionary

3. 京族主要分布在广西壮族自治区。

   Jīng zú zhǔ​yào fēn​bù zài Guǎng​xī Zhuàng​zú zì​zhì​qū.

   The Gin ethnic group is mainly distributed in the Guangxi Zhuang Autonomous Region.

   Source: Dong Chinese Dictionary