Clue: Primarily, somewhere African, occupying the ocean, manifestly equatorial! (3,4)
Answer: SÃO TOMÉ
Explanation: Primarily, somewhere African, occupying the ocean, manifestly equatorial! (3,4)
First letters ('primarily') of '**S**omewhere **A**frican **O**ccupying **T**he **O**cean **M**anifestly** E**quatorial' &lit. São Tomé is the capital of the the Democratic Republic of São Tomé and Principe, an island state off the west coast of Africa, just below the bulge.