Northern Vietnam was a concept to designate geographical areas in the north of Vietnam. Northern Vietnam is the Northernmost territory of Vietnam, which borders China to the north, Laos to the west and the East Sea started in latitude 23 degrees 23 'North to 8 degrees 27' North with afternoon is 1,650 km long. Width East - West is 500 km, largest compared with Central and the Southern. North Terrain varied and complex includes hills, plains, coastal and continental shelf; there is history and geological terrains long, strongly weathered. Lower surface, swept northwest - southeast, reflected in the flows of major rivers. Vast plain area located in the Red River Delta, an area of 14.8 thousand km2 and 4.5 % by area of the country. Triangular delta, topped Viet Tri City and the base is the east coast. This delta is Vietnam's second largest (after the Mekong Delta area 15.000km2) by the Red River and Thai Binh River accretion. Most plain surface rather flat terrain, with elevations from 0.4 - 12 meters from the sea level...
