| ōu | surname Ou |
| qū | area/region/district/small/distinguish/CL:個|个[ge4] |
| 区 | surname Ou |
| 区位 | location geographical position position on a grid or spreadsheet, where 區|区 denotes the row and 位 the column |
| 区位码 | region-position code |
| 区分 | to differentiate to find differing aspects |
| 区分大小写 | case sensitive distinguishing capitals from lower case letters |
| 区划 | subdivision (e.g. of provinces into counties) |
| 区别 | difference to distinguish to discriminate |
| 区别对待 | make a difference between |
| 区别性的 | distinctive |
| 区区 | trivial |
| 区区小事，何足挂齿 | Such a trifling thing is hardly worth mentioning. |
| 区号 | area code |
| 区名 | realm name |
| 区块 | separate block specific section chunk |
| 区域 | area region district |
| 区域会议 | regional conference; local conference |
| 区域供热 | district heating |
| 区域委员会 | Committee of the regions (consultative body aims to connect the EU institutions with local government) |
| 区域性 | regional |
| 区域性捷运系统 | area rapid transit system |