| 西元前 | Xī yuán qián | before the common era; BC |
| 西充 | Xī chōng | Xichong county in Nanchong 南充, Sichuan |
| 西充县 | Xī chōng xiàn | Xichong county in Nanchong 南充, Sichuan |
| 西北工业大学 | Xī běi Gōng yè Dà xué | Northwestern Polytechnical University |
| 西北方 | xī běi fāng | northwest; northwestern |
| 西北航空公司 | Xī běi Háng kōng Gōng sī | Northwest Airlines |
| 西北部 | Xī běi bù | northwest part |
| 西区 | Xī qū | west district of city; west zone; Hsi west district of a Taiwanese city |
| 西半球 | xī bàn qiú | Western Hemisphere |
| 西南中沙群岛 | Xī nán zhōng shā qún dǎo | Xinanzhongsha islands, Hainan |
| 西南亚 | xī nán yà | southwest Asia |
| 西南交通大学 | Xī nán Jiāo tōng Dà xué | Southwest Jiaotong University |
| 西南大学 | Xī nán Dà xué | Southwest University (Chongqing) |
| 西南部 | xī nán bù | southwest part |
| 西印度 | Xī Yìn dù | West Indies (i.e. the Caribbean) |
| 西吉 | Xī jí | Xiji county in Guyuan 固原, Ningxia |
| 西吉县 | Xī jí xiàn | Xiji county in Guyuan 固原, Ningxia |
| 西和 | Xī hé | Xihe county in Longnan 陇南, Gansu |
| 西和县 | Xī hé xiàn | Xihe county in Longnan 陇南, Gansu |
| 西哈努克 | xī hā nǔ kè | (King) Sihanouk (of Cambodia) |
| 西单 | Xī dān | Xidan neighborhood of central Beijing |
| 西单图书大厦 | Xī dān tú shū dà shà | Xidan book center |
| 西固 | Xī gù | Xigu district of Lanzhou city 兰州市, Gansu |
| 西固区 | Xī gù qū | Xigu district of Lanzhou city 兰州市, Gansu |
| 西城区 | Xī chéng qū | Xicheng district of central Beijing |
| 西域记 | Xī yù jì | Report of the regions west of Great Tang; travel record of Xuan Zang 玄奘 on his travels to Central Asia and India |
| 西塔 | xī tǎ | theta (Greek letter Θθ) |
| 西塞山 | Xī sài shān | Xisaishan district of Huangshi city 黄石市, Hubei |
| 西塞山区 | Xī sài shān qū | Xisaishan district of Huangshi city 黄石市, Hubei |
| 西塞罗 | Xī sāi luó | Marcus Tullius Cicero (106-43 BC), famous Roman politician, orator and philosopher, murdered at the orders of Marc Anthony |
| 西夏区 | Xī xià qū | Xixia district of Yinchuan city 银川市, Ningxia |
| 西太平洋 | Xī tài píng yáng | the Western pacific |
| 西奇 | xī qí | sygyt (overtone singing) |
| 西奈 | Xī nài | Sinai Peninsula |
| 西奈半岛 | Xī nài bàn dǎo | Sinai Peninsula |
| 西子捧心 | Xī zǐ pěng xīn | famous beauty Xi Shi 西施 is sick at heart (idiom); beautiful woman morbidly worried about her looks |
| 西孟加拉邦 | Xī Mèng jiā lā bāng | West Bengal |
| 西安事变 | Xī ān shì biàn | Xi'an incident of 12th December 1936 (kidnap of Chiang Kai-shek 蒋介石) |
| 西安区 | Xī ān qū | Xi'an district of Liaoyuan city 辽源市, Jilin; Xi'an district of Mudanjiang city 牡丹江市, Heilongjiang |
| 西安市 | Xī ān shì | Xi'an city, subprovincial city and capital of Shaanxi 陕西省 in northwest China |
| 西宁市 | Xī níng shì | Xining prefecture level city and capital of Qinghai province 青海省 in west China |
| 西屯区 | Xī tún qū | Hsitun west district of a Taiwanese city |
| 西山区 | Xī shān qū | Xishan district of Kunming city 昆明市, Yunnan |
| 西岸 | xī àn | the west bank; West Bank of Jordan River |
| 西峰 | Xī fēng | Western peak; Xifeng district of Qingyang city 庆阳市, Gansu |
| 西峰区 | Xī fēng qū | Xifeng district of Qingyang city 庆阳市, Gansu |
| 西峡 | Xī xiá | Xixia county in Nanyang 南阳, Henan |
| 西峡县 | Xī xiá xiàn | Xixia county in Nanyang 南阳, Henan |
| 西岗区 | Xī gǎng qū | Xigang district of Dalian 大连市, Liaoning |
| 西屿 | Xī yǔ | Xiyu or Hsiyu township in Penghu county 澎湖县 (Pescadores Islands), Taiwan |
