See also: Sanmarīno, San Marino, and San-Marino Galician Alternative forms Sam Marinho (reintegrationist) São Marinho (reintegrationist) Proper noun San Mariño m San Marino (a landlocked microstate in Southern Europe, located within the borders of Italy) San Marino (the capital city of San Marino)Wikiwand - on Seamless Wikipedia browsing. On steroids.