Irish holidaymakers heading to Greece have been warned of a rule that they may not be aware of, with most of us not wanting to get into trouble and receive a hefty fine.
When heading abroad, we check that we're keeping up with the most up-to-date travel advice, from rules around masks on transport to dress codes.
But, some unusual rules, such as Speedos only for men in pools in France can land Irish holidaymakers with a fine if they’re found to have broken them - even if they aren't aware of the rule in the first place, The Daily Star reported.
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Greece, popular with Irish tourists for island-hopping, has rules you need to be aware of when it comes to dressing for a day or night out.
You may have to ditch your favourite high heels in certain spots during your holiday there. You should ensure you wear flat shoes when touring ancient monuments such as the Acropolis in Athens.
Under Greek law, it is illegal to wear high heels to the Acropolis, Odeon of Herodes Atticus in Athens and the Epidaurus Theatre in the Peloponnese region.
Eleni Korka, who is the Director of Greek Prehistoric and Cultural Antiquities said: "Female visitors must wear shoes that do not wound the monuments. These monuments have a skin that suffers and people must realise that."
The ban was introduced in Greece in the year 2009 and stands to this day, with the government warning Irish holidaymakers set to arrive in the sun-soaked country and its islands this summer.