Dubai  is the most populous city and is one of the seven emirates of the United Arab Emirates (UAE). It is located south of the Persian Gulf on the Arabian Peninsula and has the largest population with the second-largest land territory by area of all the emirates, after Abu Dhabi. Dubai and Abu Dhabi are the only two emirates to have veto power over critical matters of national importance in the country's legislature. It is rather like an independent city-state and is the most modern and progressive emirate in the UAE, developing at an unbelievable pace in the tourist and trade sectors especially. Recently Dubai won the bid to host EXPO 2020, a Universal scale Registered Exposition approved by the Bureau of International Expositions (BIE), Paris.

Abu Dhabi, the capital and the second largest city in the United Arab Emirates, lies on a T-shaped island jutting into the Persian Gulf from the central western coast. The city is also one of the most modern cities in the world. Abu Dhabi features large gardens and parks, green boulevards lining all the streets and roads, sophisticated high-rise buildings, international luxury hotel chains and opulent shopping malls.

Marseille, known in antiquity as Massalia, is the second largest city in France, after Paris, with a population of 852,395 within its administrative limits on a land area of 240.62 km2. The urban area of Marseille extends beyond the city limits with a population of over 1,420,000 on an area of 1,204 km2. 1,530,000 or 1,601,095 people live in the Marseille metropolitan area. Located on the southeast coast of France on the Mediterranean Sea, Marseille is France's largest commercial port and largest French city on the Mediterranean coast. Marseille is the capital of the Provence-Alpes-Côte d'Azur region, as well as the capital of the Bouches-du-Rhône department. Its inhabitants are called Marseillais.

Barcelona – Spain's enchanting capital, second largest and most populous city. It is a huge city that vibrates with life, and there’s certainly not another city in the country to touch it for its sheer style, looks or energy. It is one of the world's leading tourist, economic, trade fair and cultural centers, and its influence in commerce, education, entertainment, media, fashion, science, and the arts all contribute to its status as one of the world's major global cities. Barcelona is home to masterpieces of many great architects – the most famous of which is Antoni Gaudí. 

Monte Carlo, officially refers to an administrative area of the Principality of Monaco, specifically the ward of Monte Carlo/Spélugues, where the Monte Carlo Casino is located. Monaco has four traditional quarters - from west to east they are: Fontvieille (the newest), Monaco-Ville (the oldest), La Condamine, and Monte Carlo. Monte Carlo (literally "Mount Charles") is situated on a prominent escarpment at the base of the Maritime Alps along the French Riviera. Near the western end of the quarter is the world-famous Place du Casino, the gambling center which has made Monte Carlo "an international byword for the extravagant display and reckless dispersal of wealth". It is also the location of the Hôtel de Paris, the Café de Paris, and the Salle Garnier (the casino theatre which is the home of the Opéra de Monte-Carlo).