Sarawak & West Kalimantan security relations / Arlisyahfinaz Arshad and Azrena Syarezan Ryaduan

Cross-border can be defined as between different countries or involving people from different countries. Cross-border also can be defined as the process of involving movement or activity across a border between countries. Indonesia and Malaysia have a long historical background of bilateral relations, as well as on the regional level with other countries. According to the Ministry of Foreign Affairs of the Republic of Indonesia, the cooperation between this two nations in diplomatic (political and security) issues was officially initiated on 31 August 1957.1 The relationship between the two nations is not always fine; there are often some problems and disputes such as labor/immigrations, cultural ownership, security until the border issues between them.