Balhae Province

Balhae Province (Zhenian: 발해도), is a southern Zhenian coastal province. Consisting of the Balhae Peninsula and adjoining regions, it borders Jinhae to its north, Taehwa and Cheonghae provinces to its west and southwest respectively, while it faces the Gulf of Danguk to its north, the Strait of Zihara Luhan directly to its east and the South Zhenian Sea to its south. Being home to over 52 million residents, it is the single most populous province-level administrative area in the nation, as well as home to the largest economic output in the nation among province-level administrative subdivisions.