Visitors could soon have to start paying a tourism tax when staying overnight in Monmouthshire.
The Welsh government says the measure could generate 33-million pounds a year, if all local councils enforce it.
The levy on hostels and campsites would be 75p per person per night, while hotels and Airbnbs would be 1-pound-25.
Each of Wales' 22 councils will themselves decide whether to introduce one at all.
The earliest the charge will come into force is 2027 after a local authority has consulted their community.