A resource management apparatus, a resource management system, and a resource management method. The resource management apparatus stores in one or more memories, positional relation of a resource and reservation information related to a reservation of the resource, in response to receiving a usage start request for starting a use of the resource from a communication terminal, determines whether one or more resources in surroundings are secured based on the positional relation and the reservation information, identifies the resource as an available resource in response to a determination that the one or more resources in the surroundings are not secured, and transmits usage information regarding the use of the available resource to the communication terminal.