Balhae Province

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Balhae Province 발해도
Flag
Anthem: "Eastern Gateway"
Location of Balhae Province in Zhenia.
Capital	Suripo
Largest city	Zhuhae
Official languages	Zhenian
Ethnic groups (2019)	65.1% Jin Zhenian 26.0% Jin Zhenian 3.0% Southerner 1.1% Other
Demonym(s)	Balhaean
Government
• Governor	Jiho Hyun
Establishment
• as the Protectorate of Balhae	1861
• Annexation into the Empire of Zhenia	June 5, 1868
• Elevation into a Province of Zhenia	December 8, 1909
Area
•	389,655.6 km2 (150,446.9 sq mi)
• Water (%)	4.31%
Population
• 2019 census	64,315,892
• Density	165.1/km2 (427.6/sq mi) (18th in Zhenia)
GDP (PPP)	2019 estimate
• Total	$1.566 trillion (1st in Zhenia)
• Per capita	$24,352.15 (25th in Zhenia)
Gini (2019)	27.6 low
HDI (2019)	0.926 very high
Currency	Zhenian Won (ZKW)
Time zone	UTC+8 (Zhenia Central Standard Time (ZCST))
Date format	yyyy/mm/dd
Calling code	25
Internet TLD	.bh.zh

Balhae Province (Zhenian: 발해도), is a Zhenian province located in Southern Zhenia. Consisting of the Balhae Peninsula and vicinity, it is the single most populous province-level administrative area in the nation, being home to over 64 million residents, as well as home to the largest economic output in the nation measured by province-level administrative areas.