The aim of this study is to suggest the management plan of Jiandao (called Gando in Korea) territory through cadastral research approach. As a result of this study, Jiandao territory has been identified having the geographical information as follows: First, the ending point of east locates at 52°09´13˝ north latitude and 141°32´41˝ east longitude, the ending point of west locates at 42°34´46˝ north latitude and 124°00´31˝ east longitude, the ending point of south locates at 39°47´26˝ north latitude and 124°13´32˝ east longitude, and the ending point of north locates at 53°20´56˝ north latitude and 119°50´59˝ east longitude. Second, the total area of Jiandao 639,952.7㎢, similar to the 3 times of the size of the Korean Peninsular. In detail, the area of the Maritime Province of Siberia is identified 313,573.3㎢, the north Jiandao is 228,456.5㎢, the east Jiandao is 15,287.0㎢, and the west Jiandao is 82,635.9㎢. Jiandao consists of the Maritime Province of Siberia, the North Jiandao, the west Jiandao, and the east Jiandao. The very center of Korean Peninsular and North territory is confirmed having the location of 44°07´55˝ north latitude and 130°38´30˝ east longitude.
This study suggests the four types of the management plans as follows: First, specialized organizations managing northern territory are required at the level of central government, local government, and national assembly respectively. Second, the central government should lead the management of northern territory from the previous stage of the Unification between South Korea and North Korea. Third, the governments should develop the unified public relationship among both citizens by vitalizing public advertisement. Fourth, civil organizations should play a pretty important role.