- 北海道 běihǎidào HokkaidoHokkaido, the northernmost of Japan's four main islands
- 北海市 běihǎishì Beihai cityBeihai, a prefecture-level city in the [[广西壮族自治区|廣西壯族自治區|guang3 xi1 zhuang4 zu2 zi4 zhi4 qu1]]
- 北海公园 běihǎigōngyuán Beihai ParkA famous imperial garden and public park in Beijing, located northwest of the Forbidden City and known for its central lake and the white Tibetan-style pagoda on Qionghua Island.
- 北海岸 běihǎi'àn north shorethe north coast or north shore of a region
- 北海舰队 běihǎijiànduì North Sea FleetThe North Sea Fleet (NSF), one of the three fleets of the Chinese People's Liberation Army Navy; also known as the North China Fleet
- 挟泰山超北海 xiétàishānchāoběihǎi an impossibility(idiom) an impossible task; literally carrying Mount Tai under one's arm and leaping over the North Sea