Perhaps that's the capitol city of Poseidon, the King of the Seas. The coordinates 43S 28E are in the Indian ocean, 635 miles south of Cape Elizabeth, South Africa.
The only nearer land is 535 miles southeast. A Babelfish translation from Dutch gives:
Prince Edwardeilanden is two small islands in the Indian ocean between the continents Africa and Antarctica.
The city at 19 degrees south latitude and 146 degrees east longitude is Nadi, located in Fiji.
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The city located at 19 degrees south latitude and 175 degrees west longitude is Nuku’alofa, the capital of Tonga in the South Pacific.
The city at 31 degrees south latitude and 64 degrees west longitude is Buenos Aires, the capital of Argentina.
The city located at 30 degrees south latitude and approximately 153 degrees east longitude is Sydney, Australia.
The city located at 6 degrees south latitude and 106 degrees west longitude is Lima, the capital of Peru.
That point is in South Africa, about 130 miles north-northeast of Capetown.
The city located at 15 degrees latitude and 129 degrees longitude is Manila, the capital city of the Philippines.
the city of Nairobi, the capital of Kenya.
Honolulu
Brazil
Brazil