I was promoted to be a major, and every Allied government gave me a decoration — even Montenegro, little Montenegro down on the Adriatic Sea!
There are no more uses of "Adriatic Sea" in the book.
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With them this time was the twenty-four-year-old fighter-pilot captain with the sparse golden mustache who had been shot into the Adriatic Sea in midwinter and not even caught cold.
Joseph Heller -- Catch-22
As for marine mammals, on passing by the mouth of the Adriatic Sea, I thought I recognized two or three sperm whales equipped with the single dorsal fin denoting the genus Physeter, some pilot whales from the genus Globicephalus exclusive to the Mediterranean, the forepart of the head striped with small distinct lines, and also a dozen seals with white bellies and black coats, known by the name monk seals and just as solemn as if they were three–meter Dominicans.
Jules Verne -- Twenty Thousand Leagues Under the Sea