To this problem, geographical knowledge and viatic information expert -- geography answers think, should say to be clear about only " Hua Dong " this concept, everybody belongs to Hua Dong area to feel interrogative with respect to the Shandong that won't be located in China north to situation.
Above all, say " Hua Dong area " this concept. Hua Dong area is not concept of a physical geography, however concept of an administration division into districts and economic area concept. At the beginning of founding a state, our country differentiates the whole nation for 6 big canton, namely northeast, China north, Hua Dong, medium south, southwest, northwest, the administer below every big canton a certain number of province (area of municipality directly under the Central Government, administrative office) , the Hua Dong big canton at that time administer Shanghai, Jiangsu (area of area of Su Na administrative office, North Jiangsu administrative office) , Anhui (area of area of the administrative office austral Anhui, Anhui north administrative office) , the province city such as Zhejiang, Fujian. 1954, big canton delimits as one class canton by cancel. 1958, be opposite to strengthen in the center of the plan of region economy is directive, coordinate the economy between each large area introspection, city, municipality to contact, basis at that time set out actually, consideration history concerns and politics, economy, military affairs needs, differentiate the whole nation again for area of cooperation of economy of area of northeast economy cooperation, China north, Hua Dong 7 large areas such as area of cooperation of area of cooperation of economy of economic cooperation area, Hua Na, southwest economy. 1961, restored to hold water again China north, northeast, Hua Dong, medium south, the central bureau of the 6 areas party such as southwest and northwest, adjust area of cooperation of 7 old economy for China north, northeast, Hua Dong, medium south, the area of cooperation of 6 old economy such as southwest and northwest.
Next, say " Hua Dong area " the source that form. Found a state 6 when initial stage establishs big canton, it is the strategic deploy with our country war of liberation is relevant. Sea of distant Shenyang, smooth ferry, the Huaihe River after 3 big battle win, my people liberation army marchs to the whole nation, liberate complete China. Among them the first field army via summary northwest, the 2nd field army is crossed the river is backward march on the west via summary southeast, all around via summary southwest, the 3rd field army battle army is entered after closing south next classics slightly south Hua Zhonghua. The 3rd field army (Yuan Huadong field army) after emancipatory southeast, north of the base area Shandong before, North Jiangsu, Anhui and new south emancipatory Anhui, and other places of Su Na, Shanghai, Zhejiang, Fujian built Hua Dongjun division, hua Dong big canton is in what Hua Dongjun builds on the foundation of the area namely.
On put together, hua Dong area is a canton and economic area concept, the district limits of Hua Dong area results from again Hua Dongjun area administer limits, and Hua Dongjun area is in the 3rd field army (China Dongye Zhanjun) original base area and new liberated area builds. Shandong area (base area of revolution of Shandong military region, Shandong) one of predecessor that regard Hua Dongye as battle army -- the place that Shandong field army is born and fights for a long time, it is Hua Dongye of battle army important and rear with base area, big canton of military region of the Gui Huadong after founding a state and Hua Dong administer not fathomless also.
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