環渤海灣地區

Bohai Economic Rim (economic region including Beijing, Tianjin, Hebei, Liaoning and Shandong)

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]

surname Hai

ocean / sea / CL:個|个[ge4],片[pian4] / great number of people or things / (dialect) numerous

surname Ou

area / region / district / small / distinguish / CL:個|个[ge4]

bay / gulf / to cast anchor / to moor (a boat)

surname Huan

ring / hoop / loop / (chain) link / classifier for scores in archery etc / to surround / to encircle / to hem in

same as 渤海[Bo2 Hai3], Bohai Sea between Liaoning and Shandong / Gulf of Zhili or Chihli

Bohai Sea, or Bo Hai, between Liaoning and Shandong / Parhae, Korean kingdom in Manchuria and Siberia 698-926

Bohai Bay

(Persian) Gulf

bay / gulf

local / regional / district (not necessarily formal administrative unit) / region / area / as suffix to city name, means prefecture or county (area administered by a prefecture-level city or, county-level city) / CL:個|个[ge4]