HNP - Ha Noi, capital city of the Socialist Republic of Viet Nam, is the country's political, cultural, scientific and technological center, and plays an important role in economy and international trade.

HNP – According to a general census on April 1, 2009, Hanoi had more than 6.448 million and covers a total area of 3,324km2. It comprised 10 districts, one town and 18 suburban districts. Hanoi stood the second nationwide in population number and ranks the first in Vietnam in terms of area. The city is listed among 17 capital cities with the biggest area worldwide.

HNP – On August 1, 2008, Ha Tay province, Me Linh district of Vinh Phuc province and four communes of Luong Son district, Hoa Binh province, were merged into Hanoi. Since then, Hanoi has one more district, one more town and 13 additional districts namely Ha Dong district, Son Tay town and the districts of Ba Vi, Da Phuong, Hoai Duc, Phuc Tho, Thach Thach, Quoc Oai, Thanh Oai, Chuong My, Thuong Tin, Phu Xuyen, Ung Hoa, My Duc and Me Linh.

HNP – Excluding the two mountain ranges of Ba Vi and Huong Son and Sai Mountain Range, the suburban region of Hanoi has Soc Son Mountain located in Tam Dao Mountain system which includes many small mountains situated in Me Linh and Soc Son districts. Among those, Ham Lon Mountain or Chan Chim is the highest, 462m.

HNP – Red River flows into Hanoi from Phong Van, Ba Vi district.  After going to the north surround Co Do, Tan Hong, it runs to the east and south at Quang Lang commune, Phu Xuyen district. It covers some 120 km in Hanoi area.