Thousands of people protested in Madrid on Sunday demanding more affordable housing amid growing discontent over high rental prices.
In July, the Spanish government announced a crackdown on short-term and seasonal rentals. The government plans to investigate ads on platforms such as Airbnb and Booking.com to check whether they have licenses.
Spain is struggling to find ways to balance promoting tourism, a key driver of its economy, with the problem of unreasonably high rents caused by property owners shifting to more lucrative tourist rentals.