Complex sentence: It is located in the central part of the country, and borders (clockwise beginning in the north) the provinces of Alajuela, Heredia, Cartago, Limón and Puntarenas.
Split into simpler sentences: It is located in the central part of the country. It borders from the north clockwise the provinces Alajuela, Heredia, Cartago, Limón and Puntarenas.