Liaodong Bay () is largest and longest of the three main

bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a gulf, sea, sound, or bight. A cove is a small, circular bay with a na ...

s (along with

Laizhou Bay Laizhou Bay () is a bay on the southern shore of the Bohai Sea (also known as the ''Bohai Gulf'', or just ''Bo Hai'', which is a large and relatively shallow westward extension of the northern Yellow Sea), bounded by the northwestern coastline of ...

to the south and the

Bohai Bay Bohai Bay () is one of the three major bays of the Bohai Sea, the northwestern and innermost gulf of the Yellow Sea. It is bounded by the coastlines of eastern Hebei province (Tangshan and Cangzhou), Tianjin municipality and northern Shand ...

to the southwest) of the

Bohai Sea The Bohai Sea () is a marginal sea approximately in area on the east coast of Mainland China. It is the northwestern and innermost extension of the Yellow Sea, to which it connects to the east via the Bohai Strait. It has a mean depth of ...

, the innermost

gulf A gulf is a large inlet from the ocean into the landmass, typically with a narrower opening than a bay, but that is not observable in all geographic areas so named. The term gulf was traditionally used for large highly-indented navigable bodie ...

of the

Yellow Sea The Yellow Sea is a marginal sea of the Western Pacific Ocean located between mainland China and the Korean Peninsula, and can be considered the northwestern part of the East China Sea. It is one of four seas named after common colour ter ...

Although named after the

Liaodong Peninsula The Liaodong Peninsula (also Liaotung Peninsula, ) is a peninsula in southern Liaoning province in Northeast China, and makes up the southwestern coastal half of the Liaodong region. It is located between the mouths of the Daliao River ...

(which forms its eastern

shore A shore or a shoreline is the fringe of land at the edge of a large body of water, such as an ocean, sea, or lake. In physical oceanography, a shore is the wider fringe that is geologically modified by the action of the body of water past a ...

), the bay is located directly south of the

Liaoxi Liaoxi () was a former province in Northeast China, located in what is now part of Liaoning and Jilin Jilin (; Postal romanization, alternately romanized as Kirin or Chilin) is one of the three Provinces of China, provinces of Northe ...

region, almost entirely west of the

Liao River The Liao River () is the principal river in southern Northeast China, and one of the seven main river systems in China. Its name derived from the Liao region, a historical name for southern Manchuria, from which the Liaoning province, Liaodong ...

. It is bounded by the coastline of cities from southern

Liaoning province Liaoning () is a coastal province in Northeast China that is the smallest, southernmost, and most populous province in the region. With its capital at Shenyang, it is located on the northern shore of the Yellow Sea, and is the northernmost ...

(

Dalian Dalian () is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city (after the provincial capital Shenyang) and the third-most populous city of Northeast China. Located on ...

Yingkou Yingkou () is a coastal prefecture-level city of central southern Liaoning province, People's Republic of China, on the northeastern shore of Liaodong Bay. It is the third-smallest city in Liaoning with a total area of , and the ninth most popul ...

, Panjin,

Jinzhou Jinzhou (, ), formerly Chinchow, is a coastal prefecture-level city in central-west Liaoning province, China. It is a geographically strategic city located in the Liaoxi Corridor, which connects most of the land transports between North Chin ...

and

Huludao Huludao (), formerly known as Jinxi () until 1994, is a coastal prefecture-level city in southwestern Liaoning province, People's Republic of China. Its name literally means "Gourd Island", referring to the fiddle-shaped contour of the peninsula ...

) and eastern

Hebei province Hebei or , (; alternately Hopeh) is a northern province of China. Hebei is China's sixth most populous province, with over 75 million people. Shijiazhuang is the capital city. The province is 96% Han Chinese, 3% Manchu, 0.8% Hui, and 0 ...

(

Qinhuangdao Qinhuangdao (; ) is a port city on the coast of China in northern Hebei. It is administratively a prefecture-level city, about east of Beijing, on the Bohai Sea, the innermost gulf of the Yellow Sea. Its population during the 2020 national ...

and

Tangshan Tangshan () is a coastal, industrial prefecture-level city in the northeast of Hebei province. It is located in the eastern part of Hebei Province and the northeastern part of the North China Plain. It is located in the central area of the Boha ...

), between the Laotieshan

Cape A cape is a clothing accessory or a sleeveless outer garment which drapes the wearer's back, arms, and chest, and connects at the neck. History Capes were common in medieval Europe, especially when combined with a hood in the chaperon. Th ...

at Dalian's

Lüshunkou District Lüshunkou District (also Lyushunkou District; ) is a district of Dalian, Liaoning province, China. Also formerly called Lüshun City () or literally Lüshun Port (), it was formerly known as both Port Arthur (russian: Порт-Артур, transli ...

in the east, and the Daqing River

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...

(which is an old southern

mouth In animal anatomy, the mouth, also known as the oral cavity, or in Latin cavum oris, is the opening through which many animals take in food and issue vocal sounds. It is also the cavity lying at the upper end of the alimentary canal, bounded on ...

of Luan River) at Tangshan's Laoting County in the west. The major rivers that drain into the Liaodong Bay include Luan River, Daling River, Xiaoling River,

and

Daliao River The Daliao River ( zh, s=大辽河, t=大遼河, p=Dàliáohé, "Great Liao River") is a major river system in eastern Liaoning province of Northeast China, and formerly the main distributary of the lower Liao River until 1958. The Daliao River ...

See also