The tourists - Rodolphe Fourgeot, 19, Alexandre Vix, 19, and Vincent Bocquet, 20 - were convicted of producing pornography and for "exposure of sexual organs" by the Siem Reap Provincial Court, according to deputy prosecutor Sok Keo Bandith.
They were fined and given a six-month suspended sentence, as well as being immediately deported.
The trio have been banned from returning to Cambodia for the next four years.
Mr Bandith said: "We used the procedure of deportation in order to warn other foreigners."
The world's worst tourists
Sisters deported for taking naked photos at Cambodia temple
We actually wouldn't have believed this happened if we hadn't seen this picture. A Chinese mother let her infant son defecate on the floor at Taiwan Airport. It wasn't a case of 'there were no toilets' either, as the boy was pictured pooing just 25 metres from the toilet. NowNews published the photo, which was taken by a Taiwanese tour guide. The photo shows newspaper spread out underneath the child.
Manatees have been protected in Florida since 1893 but that didn't stop one tourist from riding the harmless sea animal when she went for a dip near the city of St Petersburg. Ana Gutierrez, 52, was photographed touching and climbing on top of the manatee. When police arrived they were unable to locate her but after locals gave them photos of the woman, she turned herself in and explained she was unaware that hitching a ride on a manatee was prohibited. Although the animal was unhurt, she could have spent 60 days in prison.
At the end of 2012 when the world was 'about to end', revellers headed for an ancient Mayan temple in Guatemala for 'end of world' parties. The ancient stone temple at Tikal was damaged by tourists who climbed on it during the celebrations. Tikal was visited by more than 7,000 people for a colourful ceremony but it is forbidden to climb the stairs of its UNESCO world Heritage Site and the damage caused was irreparable.
When holidaymaker Labros Hydros came across an octopus while snorkelling in the sea on his trip to Greece, he had just one thing on his mind - dinner! What the 49-year-old mechanical engineer didn't know was that it was the second six-legged specimen ever found. Labros followed tradition by smashing it against a rock to kill it and took the 'hexapus' to a local taverna for a chef to cook it but he refused and told Hydros he should have let it live. The father-of-two cooked and ate it anyway!
A teenager caused outrage in his native China when he etched his name on an ancient Egyptian monument while on holiday with his parents. The 15-year-old boy wrote 'Ding Jinhao wuz here' in Chinese on the almost 3,500-year-old Luxor Temple in Egypt and after a photo of the damage was taken by another tourist and posted on China's Twitter-like website Sina Weibo, users hunted down the boy. His parents said Ding had "cried all night" after being attacked on the social networking site and they were forced to issue an apology in a local newspaper.
Whether you've been on safari or not, you'll know that it's a pretty good idea to stay inside your 4X4 and keep well away from the animals - especially the elephants which can easily crush you. One drunken tourist decided he not only wanted to get up close to the wildlife but that it would be funny to charge at an elephant while at South Africa's Kruger National Park. Luckily for the man, the animal decided to run the other way and not charge back at him. The "disgraceful" footage was posted on YouTube and one user said it was a pity the "elephant did not give you a mauling". Wildlife advocates also called for charges to be brought against the man.
Cringe! An American tourist visiting Florence's Museo dell'Opera del Duomo accidentally snapped a finger off of a 600-year-old statue of the Virgin Mary. Patrick Broderick, 55, who ironically happens to be an surgeon, was trying to compare his finger to one on the marble statue when it broke off. He was arrested in front of his wife and kids and released after questioning. Don’t you wish people would take notice of the 'Do Not Touch' signs?
Usually if you're not too keen on a place you just make the decision never to return. But one tourist was so "disappointed" after driving from his home in Germany to a cottage in Scotland that he threw a pizza and a pot of noodles at his partner. Wolfgang Gruelich, 57, was jailed for a night after injuring his partner when the country didn't live up to his expectations and when released he had to make his own way home while his partner and their children drove back.
Ten countries that are virtually off-limits to tourists
Sisters deported for taking naked photos at Cambodia temple
It's generally a straightforward process to enter the States for your average tourist, but if you've got a criminal record then think again. If you've ever dabbled in illegal drugs and been caught, consider the US to be off limits.
This island paradise has so few embassies that you'll have to organise a trip through a specialist travel agent to have a hope of even glimpsing the beautiful Banana Beach in Principe. You also need proof of a Yellow Fever vaccine.
Tourist visas are notoriously difficult to get hold of in Saudi Arabia. Unmarried couples can't travel together alone; they must be part of a group and named as 'individuals'. Women under 30 also have to be accompanied by their husband or brother.
Due to international circumstances, visa applications to Syria are closed at the moment for the UK so you won't be seeing the Krak des Chevaliers castle any time soon. And in any case the application process is time-consuming and you'll often need a letter of recommendation from your own embassy, which is expensive and increases the length of approval time.
If you're thinking of visiting Iran, your visa needs to be approved by the Ministry of Foreign Affairs in Tehran, which can be a lengthy process, during which time you'll get little feedback about what's holding up the application. British and American passport holders also face being fingerprinted on arrival.
The biggest problem about visiting this West African country is the long processing time of obtaining a visa. Then there are consular fees, the requirement for an invitation and at least $100 a day financial support along with proof of immunisation. So it might take you longer than expected to get to see its amazing sites, which include the Planalto Sentral escarpment near Humpata, pictured.
Although it's not a dangerous as it used to be, getting past the red tape involved in visiting is almost as difficult as spotting one of the elusive mountain gorillas that live there. You also often face the prospect of paying 'unofficial fees'.
Even though easyJet recently launched flights to Russian capital Moscow getting a visa can get quite complex. Russia's visa applicationprocess reflects the days of the iron curtain and a tourist visa is inflexible. It allows you to stay for 30 days and you'll need an 'invitation' before you can enter. If you lose your visa (or over stay) then leaving the country can be trickier than getting in.
The Democratic People's Republic of Korea is one of the toughest places to get a visa and completely closed off to South Korean tourists. Travellers from Israel, America and Japan may face difficulties and even those that get in, whatever their nationality, face being escorted by North Korean 'guides' during their stay. UK citizens can apply via the embassy in London, although if you're a journalist, prepare to be disappointed.
If you've been to Israel recently then you can forget visiting the Meroe Pyramids in Sudan. Anyone with an Israeli visa stamp in their passport will be denied entry to Sudan, regardless of whether it's valid or expired. You also need a letter of introduction as well as at least six months left on your passport.
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Embarrassing things tourists do abroad
Sisters deported for taking naked photos at Cambodia temple
Save your bikini for the beach! While men walking around topless and women wearing Daisy Dukes and a bikini top to hit the shops may be accepted in your local town, not covering up abroad could get you arrested. Majorca recently introduced a bikini ban meaning tourists caught topless or wearing swimwear on the streets could be fined £500.
Most people like to relax with a drink on holiday but when you find yourself running through the streets naked or hanging off the hotel balcony, you know you've had too much. Drinks tend to be a lot stronger in other countries too and in some places the alcohol isn't even measured. A recent study by sunshine.co.uk found that 37 per cent of Brits have their first holiday tipple within an hour of checking in to their hotel.
We get that most tourists like their home comforts and slip a few tea bags in their hand luggage so they can sip a nice brew as they watch the sunset from the hotel balcony, but is it really necessary to pack a potato peeler and sardines? A British Airways survey found that other silly things holidaymakers pack for a holiday abroad are kettles, Marmite and tomatoes.
You don't want to be the tourist who damaged a 500-year-old sculpture so follow the 'Do not touch' rules. A Chinese tourist who etched his name on an ancient Egyptian monument last year caused outrage in China. The 15-year-old boy wrote 'Ding Jinhao wuz here' on the almost 3,500-year-old Luxor Temple. Then there was the time an American tourist visiting Florence's Museo dell'Opera del Duomo accidentally snapped a finger off a 600-year-old statue of the Virgin Mary. Patrick Broderick, 55, who happened to be a surgeon, was trying to compare his finger to one on the marble statue when it broke off. Cringe!
How difficult is it to remember to leave the animals alone? Some of the most embarrassing things tourists have done to local wildlife include riding manatees, getting drunk and charging at an elephant, manhandling a dolphin for a photo and even catching and cooking a rare octopus! The woman who thought it was a good idea to touch and ride a protected manatee in Florida was forced to hand herself in to police when photographs of her were taken. Luckily the harmless animal wasn't hurt, but the holidaymaker could have been locked up for 60 days.
Ivory, knock-off purses and exotic animals are some of the souvenirs that could land you in trouble at the airport. In 2012, a British holidaymaker was stopped at Cardiff Airport when she returned from a trip to Morocco with a handbag made from a WHOLE iguana. The bag, which included the animal's head and claws, was quickly confiscated by custom officers as iguanas are on a list of endangered animal skins and is illegal in Britain. Alex Lawther, assistant director of the Border Force in Wales, warned tourists about not buying animal skin bags at markets and bazaars on their exotic holidays. "My message to holidaymakers is simple - don't do it," he said. "At best, you will have these items taken off you and at worst you could face a criminal conviction."
Getting arrested while on holiday is one way to make a bad impression and it often happens when tourists don't make the effort to find out the local laws. A Foreign Office poll found that two thirds of Britons don't find out the laws of the country their visiting, putting themselves at risk. Wearing camouflage in Barbados, making satirical jokes about the Thai royal family and wearing a bikini in the streets of Barcelona are all crimes that could get you arrested.
Carrying a bumbag, wearing a visor and talking loudly are all signs that shout 'tourist'. Taking your behaviour down a notch and adopting a country's style with your clothing, will help you blend in. If you don't want to look like a typical tourist, you might want to avoid carrying your massive backpack everywhere and leaving the socks with sandals look at home.
Innocent hand gestures at home don't always mean the same abroad. For example, the okay sign with your thumb and forefinger are highly vulgar in Greece and Turkey. Be careful where you're pointing when asking for directions too as it's rude to point in so many countries that you may just want to use an open hand instead. And don't use the thumbs up sign in the Middle East as in many countries it means 'up yours!'