This graduate thesis explains and clarifies what armored personnel carriers are as a category of armored vehicles and speaks about BOV Patria, which is in operational use of the Armed Forces of the Republic of Croatia. Furthermore, there are presented threats and dangers that the vehicle can encounter. The introduction of the thesis is focused on the dangers of automatic weapons, more precisely the 12,7 mm heavy machine guns, which are often used against light armored vehicles. Then, related to the title of the thesis „Armored vehicles“, description, role and purpose of individual vehicles are given, more precisely BOV Patria. In continuation, protection levels according to STANAG 4569 are analyzed and the tactical-technical features of BOV Patria are presented, comparing the levels of protection on BOV Patria with armored personnel carriers of other Armed Forces. Afterwards, a suggestion according to possibilities for improving armor protection of the side and undercarriage in accordance with STANAG 4569. At the very end of the thesis, a brief conclusion of this thesis is set out.