Many guests who worked for data-processing firms would return late at night to find no place to grab a bite.

FORBES: Cheaper Sleeper

Another affordable place to grab a quick bite is La Boulangerie Il Rifrullo, a panini and espresso bar just a short walk from the Duomo that serves hearty salads for less than 10 euros.

BBC: Florence for foodies

The preserved village of Bukchon lies between Gyeongbok Palace to the west and Changdeok Palace to the east, where you can wander around restored timber houses and courtyards, and also grab a bite to eat in one of the area's cafes or restaurants.

CNN: Look into your Seoul for a hit of Korean flavor

Several places where you can grab a quick bite to eat are very close by.

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