ISao Tome kunye nePrincipe , ngokusemthethweni iDemocratic Republic of Sao Tome and Principe ( Portuguese Republica Democratica de Sao Tome e Principe  ; ngokoqobo ngesiTaliyane iSan Tommaso e Principe ) lilizwe elizimeleyo lesiqithi eAfrika elinekomkhulu iSao Tome.

Lichwebakazi elimalunga neziqithi ezingama-20 ezikuLwandlekazi lweAtlantiki kunxweme olukumbindi-ntshona weAfrika, kwiGulf of Guinea . Iziqithi ezibini ezinkulu yiSao Tome nePrincipe, malunga neemitha Template:M ukuqelelana Template:M phakathi kwabo, kwaye ibekwe ngokulandelelanayo malunga nama-250 kunye Template:M ukusuka kunxweme olusemntla-ntshona weGabon; zonke ezi ziqithi ziyinxalenye yetyathanga lentaba-mlilo elingaphantsi kwamanzi elaziwa ngokuba yiCameroon Volcanic Line . I-Ilheu das Rolas, indawo yayo yomphezulu imalunga ne-3 km² kwaye ibekwe nje 2. km emazantsi esiqithi saseSao Tome, yeyona ndawo isemazantsi echwebakazi kunye nelizwe; imi kanye kumgca we-Ikhweyitha, kangangokuba ibamba ilitye eliphawula umda phakathi kweehemisphere ezimbini.

Ifumana igama layo kuTomas uMpostile ( iSao Tome ngesiPhuthukezi) ngenxa yomhla owafunyanwa yiPutukezi (21 December 1471), ngexesha lokukhunjulwa kwengcwele.IKoloni yasePortugal, yafumana inkululeko ngo-1975 yaza yazinika inkqubo yomthetho yeriphabliki esele ingumongameli . UMongameli weRiphabhliki nguCarlos Vila Nova .