中部省分为11个县:
- Gatundu District
- 东基安布县Kiambu East District
- 西基安布县Kiambu West District
- 基里尼亚加县 Kirinyaga District
- 北穆兰卡县Muranga North District
- 南穆兰卡县Muranga South District
- 北年达鲁阿县 Nyandarua North District
- 南年达鲁阿县Nyandarua South District
- 北尼耶利县Nyeri North District
- 南尼耶利县Nyeri South District
- 锡卡县Thika District