Arcadio Is A Boy’s Name Of Spanish Origin, Meaning “place Of Peace And Contentment.” It’s The Spanish Version Of The Ancient Greek Names Arkás And Arkádios, Which Refer To The Placename Arcadia. In Greek Mythology, Arcadia Was Known As An Idyllic, Harmonious Land, And The Home Of The God Pan. Baby Arcadio Is Sure To Exude A Sense Of Peace And Calm, Just Like Their Namesake.