Haeso

Hwanghae Province (Hwanghae-do [hwa̠ŋ.ɦɛ.do̞]) was one of the Eight Provinces of Korea during the Joseon era. Hwanghae was located in the northwest of Korea. The provincial capital was Haeju. The regional name for the province was Haeseo (Korean: 해서). It is a region of Korea that occupies what is now North Hwanghae and South Hwanghae provinces of North Korea, as well as Baengnyeong Island and Ongjin County of South Korea.