The book provided a large readership with the most essentials regarding Vietnam's territory, sea, sky and land borders with the neighbor nations, the updated situation of the land and sea borders. Contents: I - Van Lang - Dai Viet - Vietnam. From Van Lang Kingdom to Dai Viet State. The keeping the Northern border. Ensuring national security. the South territorial expansion. Territorial expansion in the East Sea. The Country of four thousand years. II – The sovereignty and the rights of Vietnam. Territory, borders and international law. Resolving the land border between Vietnam and China. Delimitation of the Tonkin Gulf. Border of Vietnam - Laos. Vietnam-Cambodia border. The sea and continental shelf of Vietnam. The Paracel and Spratly Islands of Vietnam. Van An Bac Nao on the continental shelf of Vietnam. Historical waters of Vietnam - Cambodia. Vietnam - Thailand delimitation. Joint cooperation in the area of anti-encroachment Vietnam-Malaysia. Delimitation of the continental shelf of Vietnam - Indonesia. The Sky of Vietnam. Vietnam rights to participate in the exploitation of maritime and ocean self. Maritime environment’s protection and preservation. III - Protection of Vietnam land, sea and sky: The all people’s responsibility. Protecting sovereignty and territorial integrity. Land border management. Managing the waters of Vietnam. Vietnam Sea strategy.