The world's cleanest hotels can be found in...

Not all hotels live up to the same standards when it comes to cleanliness.

According to a recent study, tourists are most likely to find an immaculate hotel room while traveling to TOKYO.

In the cleanliness category, hotels in the Japanese capital scored an average rating of 8.93/10 on the website.

Next in the ranking is Warsaw, Poland with an average rating of 8.76, just ahead of Seoul, South Korea. Bratislava, the capital of Slovakia, also achieved a high score (8.54), tying with Bulgarian capital Sofia.

At the other end of the ranking, although the ratings are not catastrophic, Rio de Janeiro holds the dubious distinction of the lowest score with 7.29/10.

Overall, Western European hotels hardly impressed the website’s users in terms of hygiene. Four of the continent’s capitals obtained some of the worst scores: London, England (7.52); Oslo, Norway (7.53); Amsterdam, the Netherlands (7.58) and Copenhagen, Denmark (7.60).

The world’s top tourist destination, Paris also has room for improvement: The French capital scored a paltry 7.63.