Barcelona is a city in Spain. It is the capital and largest city of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within city limits, its urban area extends to numerous neighbouring municipalities within the Province of Barcelona and is home to around 4.8 million people, making it the sixth most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan. It is one of the largest metropolises on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, and bounded to the west by the Serra de Collserola mountain range, the tallest peak of which is 512 metres (1,680 feet) high.

Founded as a Roman city, in the Middle Ages Barcelona became the capital of the County of Barcelona. After merging with the Kingdom of Aragon, Barcelona continued to be an important city in the Crown of Aragon as an economic and administrative centre of this Crown and the capital of the Principality of Catalonia. Barcelona has a rich cultural heritage and is today an important cultural centre and a major tourist destination. Particularly renowned are the architectural works of Antoni Gaudí and Lluís Domènech i Montaner, which have been designated UNESCO World Heritage Sites. The headquarters of the Union for the Mediterranean are located in Barcelona. The city is known for hosting the 1992 Summer Olympics as well as world-class conferences and expositions and also many international sport tournaments.

Barcelona is one of the world's leading tourist, economic, trade fair and cultural centres, 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. It is a major cultural and economic centre in southwestern Europe, 24th in the world (before Zürich, after Frankfurt) and a financial centre. In 2008 it was the fourth most economically powerful city by GDP in the European Union and 35th in the world with GDP amounting to €177 billion. In 2012 Barcelona had a GDP of $170 billion; and it was leading Spain in employment rate in that moment.

In 2009 the city was ranked Europe's third and one of the world's most successful as a city brand. In the same year the city was ranked Europe's fourth best city for business and fastest improving European city, with growth improved by 17% per year, and the city has been experiencing strong and renewed growth for the past three years. Since 2011 Barcelona has been a leading smart city in Europe. Barcelona is a transport hub, with the Port of Barcelona being one of Europe's principal seaports and busiest European passenger port, an international airport, Barcelona–El Prat Airport, which handles over 50 million passengers per year, an extensive motorway network, and a high-speed rail line with a link to France and the rest of Europe.

Lisbon is the capital and the largest city of Portugal, with an estimated population of 505,526 within its administrative limits in an area of 100.05 km2. Its urban area extends beyond the city's administrative limits with a population of around 2.8 million people, being the 11th-most populous urban area in the European Union. About 3 million people live in the Lisbon Metropolitan Area (which represents approximately 27% of the country's population). It is mainland Europe's westernmost capital city and the only one along the Atlantic coast. Lisbon lies in the western Iberian Peninsula on the Atlantic Ocean and the River Tagus. The westernmost areas of its metro area form the westernmost point of Continental Europe, which is known as Cabo da Roca, located in the Sintra Mountains.

Madeira, officially the Autonomous Region of Madeira, is one of the two autonomous regions of Portugal (along with the Azores). It is an archipelago situated in the north Atlantic Ocean, southwest of Portugal. Its total population was estimated in 2011 at 267,785. The capital of Madeira is Funchal, which is located on the main island's south coast.

The archipelago is just under 400 kilometres (250 mi) north of Tenerife, Canary Islands. Bermuda and Madeira, a few time zones apart, are the only land in the Atlantic on the 32nd parallel north. It includes the islands of Madeira, Porto Santo, and the Desertas, administered together with the separate archipelago of the Savage Islands. The region has political and administrative autonomy through the Administrative Political Statue of the Autonomous Region of Madeiraprovided for in the Portuguese Constitution. The autonomous region is an integral part of the European Union as an outermost region.

Fort Lauderdale  is a city in the U.S. state of Florida, 28 miles (45 km) north of Miami. It is the county seat of Broward County. As of the 2017 census, the city has an estimated population of 180,072. Fort Lauderdale is a principal city of the Miami metropolitan area, which was home to an estimated 6,158,824 people in 2017.

The city is a popular tourist destination, with an average year-round temperature of 75.5 °F (24.2 °C) and 3,000 hours of sunshine per year. Greater Fort Lauderdale, encompassing all of Broward County, hosted 12 million visitors in 2012, including 2.8 million international visitors. In 2012, the county collected $43.9 million from the 5% hotel tax it charges, after hotels in the area recorded an occupancy rate for the year of 72.7 percent and an average daily rate of $114.48. The district has 561 hotels and motels comprising nearly 35,000 rooms. Forty-six cruise ships sailed from Port Everglades in 2012. Greater Fort Lauderdale has over 4,000 restaurants, 63 golf courses, 12 shopping malls, 16 museums, 132 nightclubs, 278 parkland campsites, and 100 marinas housing 45,000 resident yachts.

Fort Lauderdale is named after a series of forts built by the United States during the Second Seminole War. The forts took their name from Major William Lauderdale (1782–1838), younger brother of Lieutenant Colonel James Lauderdale. William Lauderdale was the commander of the detachment of soldiers who built the first fort. However, development of the city did not begin until 50 years after the forts were abandoned at the end of the conflict.

Three forts named "Fort Lauderdale" were constructed: the first was at the fork of the New River, the second was at Tarpon Bend on the New River between the present-day Colee Hammock and Rio Vista neighborhoods, and the third was near the site of the Bahia Mar Marina.