When in France, do as the French people would you love to do. It is important to follow the customs and etiquette so that you have workable rapport with local people. The French are very particular about social behavior. Here are some tips for you :

Dos:

• The first and foremost thing to do will be to learn the basics of french language like “Bonjour” (hello), “Au revoir” (goodbye), "Excusez-moi" (excuse me) English should be used only when going is quite tough.  This will make you more comfortable 
• Try to greet everyone when you meet a group of people and do the same thing while leaving
• During your trip. you will come across lot of unknown people and to avoid unpleasant stare and snappy responses,  Do use ‘vous’. Tou will often hear two people seamlessly switching from ‘vous’ to ‘tu’ mid-conversation once are more acquainted with each other.
• In France you have to pay a nominal fee to use washroom in public places such as departmental stores, train stations. So don’t use washroom in such places without paying the fee 
• If you are using metro (subway), validate your ticket before boarding the train. Validating machines are located at the entrance of the platform.
• Hang on to you ticket until you leave the station. There is a regular checking by police and if found without ticket could be fined heavily
• Dress appropriately as shorts, flip-flops and running shoes are not liked.They can be used at beaches.Pajamas are off-limits as well. Unlike other European countries, in France you will be noticed if you pop down to the store in your pajamas. French people are a little conservative. Wearing jeans is acceptable 
• Keep both you hands on the table while sitting in a restaurant or bar or eatery but your elbow should be hidden. Keeping hand on the lap is not liked in Nice. French people are irked at this behavior. It will be advisable to keep in mind a “Prix Fixe” menu. It could include a starter, main course and dessert as you wish. 
• Greet everyone individually when you see friends together. 
• Always remain discreet. Shake hands with acquaintances. Practice your poker face and subtle shoulder shrug. You can share your joys or frustrations, but don’t show in public till you are at ease with people

Dont’s: 

• Never kiss non-acquaintance or throw "air kiss while greeting the person.  Its better to shake hands with non/acquaintances 
• Always  slurping noises. It’s  bad manners to lap up with enthusiastic noises 
• Don’t be awkward id you feel a bit strange. if you are used to polite handshakes or awkward pats on the back, avoid it in France 
• Do not take out coffee and drink it while walking down the street. Its better to drink it at a cafe, at a bar or sitting at a table 
• Don’t touch anything at an outdoor market. Just tell the seller what you want 
• Never, rush your meal as French enjoy their time to relax over a cup of coffee or meal 
• Avoiding shopping between 12:00 p.m.and 14:00 p.m. as this is time most shops are closed  for lunch  
• Do not  tip in France as the 15% service charge is included in the bill most of the time. 
• It is rare to find drinks with ice in France. So don’t ask for ice.

Nice one of France’s largest cities and most popular tourist destinations, The city welcomes the guests with open arms. Night life in Nice is full of activities. There are as many as 43 Bars and Clubs where you can enjoy. Besides, 7 Dance Clubs and Discos with 6 Gay Clubs and Bars, 3 Wine Bars, 2 Comedy Clubs, 2 Jazz Clubs and bars, 3 Club and Pub Tours, 2 Karaoke Bars, one Coffee Shop and one Piano Bar.

The evening-tide HQ,in Old Town (Vieux Nice) will, undoubtedly keep you busy and relaxed. Here you sip and slip in amidst the wood, sweat and beers of an English music pub. Most suitable will be to book a table on the Promenade des Anglais and enjoy the night in quieter surroundings.

For a more animated night go to the 3 Diablos, a very popular  nightclub down by the Promenade des Anglais. It offers wild theme nights, live music that will make you young at heart. High Club is another good option, as it is considered the premier nightclub in Nice. Its a  club with a line-up of big name DJs- the clientele. Ghost is another club quite  popular with the locals. If you look for the gay club, then  Le Six and Le Klub are the obvious choices. Le Six has a mix of cabaret and theme shows, while Le Klub has an underground vibe. Both are not gay-exclusive, and both provide good fun. 

There are a number of wine bars in Nice. To sip in the  Riviera glamour, have a drink at Bar du Relais in the iconic Hotel Negresco. You can also head to Casino Barrière for a night of blackjack and cabaret. If you love  live music in sophisticated French setting, then  Jam Bar, a classy little cocktail and wine bar playing live music will be the obvious choice. Here jazz, funk and classical live acts are on the menu, as well as comedy, literary and philosophy nights. You will be in for an inviting time at the Les Smarties, an elegant cocktail bar playing electro sounds in seventies ambiance. And if you don't Visit the Le Havane, you would, definitely, miss the the fun of night with a Cuban feel. Here you can enjoy the Latino jazz and salsa among the Cuban tropical. 

Nice is a perfect starting point to explore the dazzling Côte d'Azur coastline. 

The charm and beauty of  this city is best seen in the 19th-century mansions on its promenades and boulevards, from the city’s Italianate old quarter and the rugged natural terrain to countless wondrous vantage points. 

From seaside walks to vintage monuments of Promenade des Anglais, Vieille Ville, Parc de la Colline du Château, Musée Marc Chagall, Nice Cathedral, Cours Saleya Market, mesh of alleys with local shops and restaurants in old town , glaciers, crêperies and cafes, here you will have everything to delight yourself. 

The Vieille Ville, popularly known as "Babazouk," bounded by spacious boulevards, including the Jardin Albert I, Place Masséna, and Promenade du Paillon is a must see site.

The famous Flower Market is a traditional Provençal event that enliven  the street every morning (except Mondays) with colorful blossoms. You can look back over Nice and the azure sea in the Baie des Anges. it’s a sight you’ll want to stay put.  

Then there is Promenade des Anglais extending into seven kilometres stretch is a best place to relax on the benches and find shade beneath pergolas and palm trees. 

Never to miss is the  Parc de la Colline du Château: At the top of this steep hill on the east side of the city you’ll be presented with some of the French Riviera’s great panoramas. 

You can look back over Nice and the azure sea in the Baie des Anges, and it’s a sight you’ll want to stay put.

 If fit enough go to the the top on foot from the Vieille Ville, but there’s also a free elevator, which is best in the summer." There are many more attractive destinations in Nice to see. 

Best places recommnded to visit in Nice are : Promenade des Anglais, Vieille Ville, Parc de la Colline du Château, Musée Marc Chagall, Nice Cathedral, Cours Saleya Market, Musée Masséna; Salade Niçoise, Parc Phœnix, Monastère de Cimiez.  

Visitors to French Riviera or  the Cote d’Azur will find beautiful beaches, pleasant weather and plenty of glitz and glamor.Best  things to do in the French Rivera will be to enjoy its beauty.see historical sites and  witness famous events, like the Cannes Film Festival and the Monaco Grand Prix. Here are few tips: 

Visit  To Iles d’Hyeres , the three beautiful and mostly wild islands located off of the French Rivera. Also known as the Iles d’Or or the Golden Isles, these three islands include Porquerolles, Port-Cros and Levant. Port-Cros is a national park. Levant is home to a military base and a nudist colony. Visitors need to take a ferry in order to reach the Iles d’Hyeres andgo birding, hiking, biking or scuba diving.

Eze: See the  fortified medieval village Èze is recommended. Overlooking  beautiful Mediterranean Sea.Eze is a charming and very photogenic town. Here visitors can see famous perfumeries, a 12th-century fortified castle or Le Jardin Exotique d’Eze, a garden filled with exotic plants and statues offering best views of the surrounding area.

Aother attractive site is the Corniche d’Or or Golden Coast,  approximately 20-mile-long section of N98 stretching from Frejus to La Napoule through the French Riviera. A jouney on  thrilling road with a number of hairpin turns alomg scenic route  offers breathtaking views of the rocky coastline.
Cannes: Never miss to visit  world famous the glamorous seaside city mot famous for hosting  the annual Cannes Film Festival. Every May when Cannes hosts the film festival and its best to time to see the  the celebrities walk the red carpet up the steps of the Palais des Festivals.

The picturesque seaside resort town of Antibes should also be on your itinerary. It is the second largest town in the French Riviera,The town lies between Nice and Cannes. Here visitors  will  find lots of evidence of its olden days, narrow cobbled streets and ramparts. . This town also has  one of the Mediterranean’s finest harbors. 

St. Topez: The charm and attractions of St. Tropez's  beaches and resorts can't be resisted. These beaches have attracted celebrities and the wealthy from around the world since fifties. It is located very close to Nice as well Cannes and Nice. St. Tropez  charms the visitors with its discreet beach clubs. Its harbor is filled with stunning yachts. Here you van also visit one of its world-famous beaches — the most well-known being Pampelonne.St. Tropez  that has a lively nightlife scene.

Monaco: Your trip to French Riviera will be incomplete without a visit to  Monaco. This tiny country bordering France  occupies a prime stretch of  French Riviera itinerary. Manaco is known for its gambling business. Here visitors will find money-draining casinos and high-priced hotels. Casino Monte Carlo is one of Monaco’s biggest attraction. 
 

• Nice is best known for its famous “olives de Nice Olive oil. In fact, olive oil is the symbol of the Mediterranean Coast. So never miss to gift famous “olives de Nice” to your friends and relatives. 
• The city is also popular for lavender bags. Its best chance to perfume your wardrobes with lavender bags. 
• You can also look for Herbes de Provence, Bellet wine, Ceramics, Household linen in the Provencal colours and Herbin jams.