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What the club sandwich says about your living costs

francesco perre | iStock / 360 | Getty Images

Switzerland's Geneva is home to the world's most expensive sandwich, according to Hotels.com's latest 'Club Sandwich Index.'

The firm claims that looking at the cost of a classic hotel sandwich made of chicken, bacon, egg, lettuce and mayonnaise as a barometer of affordability offers travelers an indication of the costs associated with their destination of choice.

Now in its third year, the Club Sandwich Index (CSI) is calculated from the prices guests paid for a club sandwich in 30 hotels, across five, four and three-star categories, in either the capital or an important tourist city in 28 surveyed countries. In total 840 hotels were canvassed globally.

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And according to the 2014 CSI, Geneva has retained its top spot as home of the most expensive club sandwich in the world at $32.60.

Other pricey tourism hotspots include the gastronomic hub of Paris, which held on to the number two spot with an average price of $29.36, followed by Finland's Helsinki, where the price rose to $24.35 from $19.74 in 2013, knocking Norway's Oslo out of the top three.

The Hotels.com Club Sandwich Index

In the U.S., New York City had the priciest sandwich at $17.99, and ranked 13 for the send straight year.

Read MoreAmerica's most expensive states: Where does your state rank?

Meanwhile, the cheapest place for a club sandwich in the U.S. was Orlando, where the average of $10.68 was just above that of Buenos Aires at $10.37, which ranked 26th globally.

India's New Delhi remained the cheapest destination among cities surveyed, with the average price for a club sandwich at $8.78, while Mexico City also offered a bargain at $9.78.

Australia's Sydney saw the greatest decrease in average prices, falling to $16.93 in 2014 from $20.53 in 2013.

Read MoreSingapore now world's most expensive city

Correction - A previous version of this article incorrectly described Geneva as the capital of Switzerland.

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