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Tourism to Europe is down in the wake of the Persian Gulf crisis, the recession and fuel costs. The result: Cost cutting, which shows up on the U.S. State Department`s ”per diem allowances for foreign areas,” a reliable measure of travel costs, including hotels, meals and incidentals.

Using that as a yardstick, Athens, at $135 a day, is the most affordable capital, compared with London at $232, Paris at $226, Rome at $214 and Lisbon at $179.