The posters also came with instructions, which read: “Both on the street and in public places always wear an upper garment for respect and hygiene.”
According to local law, anyone who is warned of the dress code restrictions but ignores police risks being fined up to €750 ($1366) in line with “minor offences”.
The posters come after tourists were seen walking around the city in bikinis, shirtless or just in swimming shorts.
In 2023, it was made illegal to walk around topless or just in underwear in Malaga. Despite the recent efforts to clean up tourists’ dress attire, locals fear the law isn’t being enforced enough.
Last month, travellers were sprayed with water guns and trapped inside restaurants in Barcelona during a protest against mass tourism.
Protesters marched through popular tourist areas on July 7 chanting “Tourists go home”, squirting people with water pistols as they sat at outside restaurant tables.
Barcelona’s Mayor, Jaume Collboni, reiterated several measures were under way to reduce mass tourism’s impact on the city.
Recent research from Google and Deloitte suggests Spain is on track to be the world’s most-visited destination, with 110 million visitors annually.