| 保護国 | [ほごこく, hogokoku] (n) protectorate |
| 単于都護府 | [ぜんうとごふ, zen'utogofu] (n) (See 都護府) Protectorate General of the Central Asian Nomadic Lands; Han-period Chinese office established in Inner Mongolia in 650 CE |
| 安南都護府 | [アンナンとごふ, annan togofu] (n) (See 都護府) Protectorate General of Annam; Han-period Chinese office established in Hanoi in 622 CE |
| 安東都護府 | [あんとうとごふ, antoutogofu] (n) (See 都護府) Protectorate General to Pacify the East; Tang-period Chinese office established in Pyongyang in 668 CE |
| 安西都護府 | [あんせいとごふ, anseitogofu] (n) (See 都護府) Protectorate General to Pacify the West; Tang-period Chinese office established in Xinjiang in 640 CE |
| 燕然都護府 | [えんぜんとごふ, enzentogofu] (n) (See 都護府) Protectorate General to Pacify the North; Tang-period Chinese office established in Inner Mongolia in 669 CE |
| 被保護国 | [ひほごこく, hihogokoku] (n) protectorate (country); dependency; dependent state |
| 西域都護府 | [せいいきとごふ, seiikitogofu] (n) (See 都護府) Protectorate General of the Western Regions; Han-period Chinese office established in East Turkestan in 60 BCE |
| 都護 | [とご, togo] (n) (1) (See 都護府) Protector General; Tang-period Chinese official in charge of the local Protectorate General; (2) (See 按察使) travelling inspector of the provincial governments (Nara- and Heian-period position) |
| 都護府 | [とごふ, togofu] (n) (See 都護・1,西域都護府,安東都護府,安南都護府,安西都護府,燕然都護府,単于都護府,北庭都護府) Protectorate General; Han- and Tang-period Chinese office established to pacify and control peoples on the frontier (during the Tang period, six major Protectorate Generals were established) |