Biàn shì Hénán Kāifēng de biéchēng, shì Běisòng de guó dū.
Bian is the old name for Kaifeng in Henan, capital of the Northern Song.
Tips
history
汴 has no everyday standalone use. It was an old river name and survives as a literary byname for 开封 (Kaifeng), especially in 汴京, its name as the Northern Song capital.
register
Historical and literary; appears in poetry, history, and place names rather than modern speech.
