The 『Territory and Seas』 published by NAHF was promoted to Registered Journal in an evaluation conducted by the National Research Foundation of Korea in 2021. 『Territory and Seas』 was named as a candidate for the list in 2018. Since then, qualitative management has been conducted through rigorous screening and interdisciplinary evaluation. As a result, it was finally promoted to the list in this evaluation. This is an academic achievement in the first decade of its founding, and it has been recognized as a professional journal in the field of territory and seas. The goal of 『Territory and Seas』 is to protect territorial sovereignty over Dokdo which is Korea's own territory, to expand the notation of the East Sea in the international community, and to promote related research and achievements. 『Territory and Seas』 consists of special topics, general papers, commentary on historical resources, introduction of resources, and book reviews. It has been evaluated as having secured diversity by publishing high-quality papers in various fields such as history, geography, international law, and international politics. If the quality of the paper is continuously improved and maintained in the future, it will be selected as an excellent registered journal. The journal is published twice a year(June and December every year), and the paper is available for free access or download by anyone on the website of KCI, NAHF, and Dokdo Research Institute and Nuri Media.