Kisii County is one of the two counties in the larger Gusii region, which is mostly inhabited by the Kisii people.
Kisii County has 9 constituencies listed below:
- Bonchari Constituency
- South Mugirango Constituency
- Bomachoge Borabu Constituency
- Bobasi Constituency
- Bomachoge Chache Constituency
- Nyaribari Masaba Constituency
- Nyaribari Chache Constituency
- Kitutu Chache North Constituency
- Kitutu Chache South Constituency