The Northeast (Đông Bắc) is the region at the north of the Red River Delta, Vietnam. Northeast called to distinguish them from the Northwest, but it's actually in the north and northeast of Hanoi, wider than Việt Bắc. The northeast is one of three sub-regions of northern Vietnam (2 other sub-region is the Northwest and the Red River Delta). Sometimes the Northeast, including the Red River Delta.
Geographical boundaries to the west of the Northeast is not clear. Mainly due to the lack of consensus among the geography of Vietnam on the boundary between the Northwest and Northeast to the Red River, or should the Hoàng Liên Sơn. The Northeast is limited to the north and east by Vietnam-China border. Southeast overlooking the Gulf of Tonkin. The southern limit by Tam Đảo mountain range and the Red River Delta.
The western side, is limited by the Red River (Vietnam)'s valley and the Chảy River's source, above, is composed of granite, slate and limestone plateau. In essence, this is the edge of the Yunnan Plateau. The high mountains of the Northeast are concentrated here, as Tây Côn Lĩnh, Kiêu Liêu Ti.
The northern part junction with Vietnam-China border are the plateau (highland) turns from west to east are: Bắc Hà, Quản Bạ, Đồng Văn. Two first plateau has an average elevation of 1000-1200m. Đồng Văn Plateau is 1600m. River and stream flowing through the plateau created a long and deep canyons. There are also some small plain, which is Thất Khê, Lạng Sơn, Lộc Bình, Cao Bằng.
To the east, from the Gâm River's middle into the sea, which is lower than many mountains arc turned eastward turn from east to west is the Gâm River's anticline, Ngân Sơn-Yên Lạc Bow, Bắc Sơn Massif, Đông Triều Mountain range. Mountains rising above the sea, forming the famous scenery of Hạ Long. The arc of these mountains are mostly covered tail at Tam Đảo.
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|Provinces||Capital||Population (Census April 1, 2009)||Area (km²)|
|Bắc Giang||Bắc Giang||1,594,300||3,827.4 km²|
|Bắc Kạn||Bắc Kạn||301,500||4,868.4 km²|
|Cao Bang||Cao Bang||518,900||6,724.6 km²|
|Ha Giang||Ha Giang||683,500||7,945.8 km²|
|Lang Son||Lang Son||746,400||8,331.2 km²|
|Phu Tho||Viet Tri||1,336,600||3,528.4 km²|
|Quang Ninh||Ha Long||1,091,300||6,099.0 km²|
|Thai Nguyen||Thai Nguyen||1,127,200||3.546.6 km²|
|Tuyen Quang||Tuyen Quang||723,300||5,870.4 km²|