Central Vietnam also known as Central, located in the middle of the territory and is one of the three main regions (including North, Central and South) in Vietnam. Central strip of land surrounded by mountains and run along the western slopes of the east coast, with the horizontal east - west Vietnam narrow (about 50 km) and is located in the province of Quang Binh. North Central includes the western mountains. Where is Laos medium and low altitude. Particularly mountainous western Thanh Hoa province with elevations between 1000 - 1500m. Mountainous areas of Nghe An - Ha Tinh Truong Son Range headwaters of very rugged terrain, most of the scattered mountain here. The delta has a total area of about 6.200km2 , including Thanh Hoa delta sediment from the river source code and build the Chu River, accounting for nearly half of the area and the wide plains of Central. South Central parathyroid marine sector. The terrain here consists of coastal plains and low mountains, with horizontal east - west (average 40-50 km), narrower than the North Central and Central Highlands. Systematic short and steep rivers, deep beach with the twisty, narrow continental shelf. The delta covers an area no larger due to the western mountains stretching southwards reaching out to the beach and have narrowed down the area. River Delta mainly due to accretion and sea, the form usually closely follow the foot of the mountain.