Durham Police Department said seven armed carjackings happened between March 22-29.
In five of those carjackings, the teens made off with the victims' vehicles. All of those vehicles have since been returned to their rightful owners.
Officers said a 16-year-old male was involved in all seven of the carjackings. A 17-year-old male was involved in six of the seven.
Both of the teens have been arrested and served juvenile petitions. Their identities have not been released.