State border is the main manifestation of territorial sovereignty of a state and it holds such a tremendous role in the delimitation of sovereign boundaries. Therefore, border issues is an important and urgent matter to be well-managed by all the related stakeholders in order to maintain the sovereignty of the Unitary State of the Republic of Indonesia as well as to achieve the national goal. This study aims at analysing the relationship between the threats of territorial violation in the boder area of west Kalimantan, implementation strategy in securing land border area in West Kalimantan. The methodology applied is qualitative research with case study approach. In this study, the involved subjects are those dealing with law enforcement and border area security. They are selected through purpose sampling as adjusted to the researchers needs. The data collection is carried out using several techniques such as interview, observation, and literary studies. This study focuses on the implementation and strategy in securing the land border in West Kalimantan. This research provide some contributions in identifying that the potential of territorial violations in the land border areas of West Kalimantan is relatively high. This is due to the lack of support in terms of appropriate implementation and strategy of security measures in comparison to the ideal situation. For the future studies, it is possible to extend the coverage of the study by involving the related stakeholders into different field or areas.