"Caspian \c(a)-spian, cas-pian\ as a boy's name. Place name: the Caspian Sea is the largest inland body of water in the world, lying between Russia and Asia, and its southern coast is in Iran. Author C.S. Leweis named a principal character Caspian in one of his "Chronicles of Narnia".
Similar baby names are Campian and Cassian. "