It is the belief of the ancients

Original title: Concealed geography 34

Puzzle

It is the belief of the ancients that heroes' souls soar to islands of the blessed.

Hints

Hint 1
Province

Hint 2
in Holland

Hint 3
also

Hint 4
City

Hint 5
in Greece

Another answer missed by Sam Loyd

Loyd, Sam [1914]. in Loyd, Sam, Jr.: Sam Loyd's Cyclopedia of 5000 Puzzles Tricks and Conundrums (in English). New York: Lamb Publishing company, page 10.