Lisbon attracts millions of tourists every year (Image: Getty) A European city popular with tourists has sparked outrage over revelations some restaurants may be charging visitors more for meals than residents. Under the system, residents in the Portuguese capital of Lisbon are allegedly charged lower prices for their food than tourists in local eateries. According to a report by the Portuguese newspaper Expresso, the code for the lower prices is “transmitted verbally, in whispers or indicated on menus placed in inconspicuous or even hidden areas".

Industry experts have told the publication that basing prices on nationality is “completely illegal”. function loadOvpScript(){let el=document.createElement('script');el.

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Log('[Load] OVP tcfLoaded',new Date())})}},1500)}) Allegations of a two-tier pricing system come as protests in relation to overtourism continue to blight.