The province of Rimini (Italian: provincia di Rimini) is a province in the Emilia-Romagna region of Italy. The provincial capital is the city Rimini. The province borders the independent state of the Republic of San Marino. As of 2015, the province has a population of 335,199 inhabitants over an area of 864.88 square kilometres (333.93 sq mi), giving it a population density of 387.57 inhabitants per square kilometre.