aspg-21-1427-1791468713 20261008141153 American Scientific Publishing Group admin@americaspg.com American Scientific Publishing Group International Journal of Neutrosophic Science IJNS 2692-6148 2690-6805 2023 20 1 Riad K. Al-Hamido Department of Mathematics, College of Science, AlFurat University, Deir-ez-Zor, Syria In this paper, we introduce new sets in neutrosophic crisp topology called neutrosophic crisp frontier, neutrosophic crisp border and neutrosophic crisp exterior with the help of neutrosophic crisp open sets in neutrosophic crisp topological space. Also, we discuss the basic and important properties of them and the relations between them. Finally, many examples are presented. 2023 17 26 1427 https://creativecommons.org/licenses/by/4.0/ 10.54216/IJNS.200102 https://www.americaspg.com/journal/21/article/1427 https://www.americaspg.com/storage/31672723822.pdf