For those still clinging to their mailboxes for an invite to join Prince Harry and Meghan Markle at Windsor Castle as they tie the knot on May 19, it may be time to lower your expectations just a bit.

Luckily, Europe and even the United States have castles fit for wannabe princes and princesses to play out their opulent royal real estate fantasies.

Short-term online rental service Airbnb said it noticed listings for 鈥渞oyal鈥 residences have surged 43 per cent year-over-year. The site has compiled a list of its 10 most sought-after castles where any commoner can sleep like a king or queen. However, you may have to share some amenities, unless you are prepared to pay rates fit for royalty.

Billed on Airbnb as 鈥淏ritain鈥檚 favourite castle,鈥 this 15-bedroom B&B-style behemoth boasts classic castle calling cards from battlements, to turrets, to gothic windows, to Tudor paneling and a secret garden.

galway castleCahercastle offers a more medieval experience than some of the others on the list.

It was built 鈥渟ometime in the 1400s,鈥 according to the listing, which also issues the following warning to potential guests: 鈥淒on't expect perfection, we do have cobwebs and a little dust (so asthma sufferers take note).鈥

tuoroThis single tower is nestled in the natural beauty of the Umbrian and Tuscan countryside.

According to the listing, 鈥淭he tower was created out of the restoration of an old abandoned stable situated in the centre of a small countryside hamlet called Sanguineto. This place takes its name from the famous bloody battle of 217 BC, fought between the Roman army and the Carthaginian army (led by Hannibal).鈥

The tower accommodates two guests comfortably, and comes with pool access as well as a view of Lake Trasimeno.

fife castleRestored from its ruins in the 1990s, this site dates back to the 12th century.

According to the listing, it was home to secret Scottish parliaments and military sieges throughout the ages. With its own watchtower and a room for rent called 鈥淭he Dungeon,鈥 Dairsie Castle ticks many castle living boxes.

kilmartin castleKept 鈥渂eautifully rustic鈥 by its owners, complete with loose floorboards, this is the first time in 467 years that Kilmartin Castle has been made available to the public, according to the listing.

borgia castleLocated on the boarder of Tuscany and Umbria, this 7-bedroom castle is described as the perfect location for a relaxing Italian holiday or an 鈥渦nforgettable wedding.鈥

Up to 13 guests can enjoy the large terraces overlooking the lush, sprawling grounds. The castle is full of massive ornate fireplaces and old-world Italian luxury.

ellington castleAt just 101 years old, this New England castle is surly one of the younger on the list. It鈥檚 also one of the smaller, with a mere three bedrooms.

But what it lacks in history and size, it makes up for with its gargoyle, and rooms with jungle and Romeo and Juliet themes.

monteroni castleA highly Italian experience with food and wine tastings, cooking classes, and bike rides in the country.

The listing boasts, 鈥淓very morning we will spoil you with a delicious buffet using local products: fresh ricotta cheese, pecorino cheese and ham from local stores, combined with home-made delicacies such as bread, tarts, croissants and marmalades produced with fresh fruit straight from our garden.鈥

cameyracIt wouldn鈥檛 be right to visit a French castle if it didn鈥檛 have its own vineyard. This one has 16-hectares of grapes to keep guests from running out of locally-sourced libations.

The outdoor pool features a man-made beach complete with palm trees, sand, a fire pit, and plenty of room for entertaining.

georges castleBilled as a castle with all the modern comforts, this 7-bedroom white and red brick countryside chateau is a stunning example of classic French luxury that can easily accommodate up to 16 guests.