AbstractThe border area is one of the national strategic areas, the development of border areas is often faced with various security, defense, economic, social and cultural issues. The vulnerability of violations occurring in the Indonesia-Malaysia border region can cause many problems that arise from illegal border crossers, Smuggling of Goods, Illegal Workers, Terrorism. In this essay investigate the extent of government efforts in reducing border violations in Indonesia-Malaysia border region especially in Nunukan district. This research was conducted by Nunukan Regency in several agencies that handle border issues, Nunukan District Government Office, District Command 0911 of Nunukan, Ministry of Immigration Nunukan District, Navy Command Nunukan District This research was conducted by data collection method (field research), to obtain primary data through interview with the competent party in this research, and by method of literature research, to obtain secondary data through binding legal materials. Post-border crossings in Sei Pancang have a significant impact on border residents who want to pass. This can lead to a large number of illegal borderline subscribers. However, in its implementation in an effort to reduce border violations in the border area the government is faced by many factors that can affect law enforcement, law factors, law enforcement factors, facilities, cultural and community factors.Keywords: Border Area, Government, Law Enforcement.AbstrakKawasan perbatasan merupakan salah satu kawasan strategis nasional, pembangunan kawasan perbatasan seringkali dihadapkan dengan berbagai masalah keamanan, pertahanan, ekonomi, sosial, dan budaya. Rawannya pelanggaran yang terjadi di wilayah perbatasan Indonesia-Malaysia dapat menyebabkan banyaknya masalah yang timbul mulai Pelintas batas illegal, Penyelundupan barang, TKI Ilegal, Terorisme. Di essay ini menyelidiki sejauh mana upaya pemerintah dalam mengurangi pelanggaran tapal batas di kawasan perbatasan Indonesia-Malaysia khususnya di kabupaten Nunukan. Penelitian ini dilakukan Kabupaten Nunukan di beberapa instansi yang menangani masalah perbatasan, Kantor Pemerintahan Daerah Kabupaten Nunukan, Komando Distrik 0911 Kab. Nunukan, Kementerian Keimigrasian Kab. Nunukan, Komando Angkatan Laut Kab. Nunukan. Penelitian ini dilakukan dengan metode pengumpulan data (field research), untuk memperoleh data primer melalui wawancara dengan pihak yang kompeten dalam penelitian ini, dan dengan metode studi literatur (literature research), untuk memperoleh data sekunder melalui bahan-bahan hukum yang mengikat. Pasca pentupan pos lintas batas di Sei Pancang berdampak signifikan terhadap warga perbatasan yang ingin melintas. Hal ini dapat memunculkan banyaknya pelangggar batas illegal. Namun pada pelaksanaanya dalam upaya mengurangi pelanggaran tapal batas dikawasan perbatasan pemerintah dihadapkan oleh banyak faktor yang dapat mempengaruhi penegakan hukum, faktor undang-undang, faktor penegak hukum, faktor sarana dan fasilitas, faktor kebudayaan dan masyarakatKata Kunci : Pemerintah, Penegakan Hukum, Wilayah Perbatasan