(literary) the capital city and its surrounding area

The surrounding area or territory near the capital city; the outskirts of a capital.

Gyeonggi Province in South Korea, which surrounds the cities of Seoul and Incheon and has its capital at [[水原市|水原市|shui3 yuan2 shi4]]

The land surrounding and governed directly by the capital city of an empire; also used as a literary term for the capital itself

Guinea (country in West Africa)

areas surrounding the national capital

The area surrounding the national capital; used in literary or historical contexts.

(literary) the capital city; the seat of government

the Kinki region of Japan, also known as the [[关西|關西|guan1 xi1]] region, including major cities such as Kyoto, Osaka, and Kobe

(literary) the territory or border of a nation; the royal domain