Costa Rica. See the related link for more information.
Ghana and Togo
Puerto Rico. The real answer is Costa Rica, which translates to Rich Coast. There is a lot of confusion because Puerto Rico translates to Rich Port, which is very similar.
If you mean country then Gold Coast is located in Queensland, an AUSTRALIAN state.
Because the coast of Australia is so "golden" (A.K.A. the sand) and it is full of beaches.
Gold Coast
no
Costa Rica means literally "rich coast". When Christopher Columbus arrived to America, he though that he arrived to Asia. He was obsessed with Ptolomeus stories about places in India made of gold and stuff, so Christopher Columbus described Costa Rica as a place full of gold, then spanish started to call this part of America "la Costa Rica" (the rich coast). La Costa Rica was a bigger area, almost the whole caribben coast of central America, but country limits were gradually being modified, and Costa Rica got it's name after all of this changes until it became a country.
Ghana
He comes from Gold Coast, Australia
Gold Coast, Queensland, Australia
Burleigh Heads, Gold Coast, Australia