San Francisco , officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California. San Francisco is the 13th-most populous city in the United States, and the fourth-most populous in California, with 884,363 residents as of 2017. It covers an area of about 46.89 square miles (121.4 km2), mostly at the north end of the San Francisco Peninsula in the San Francisco Bay Area, making it the second-most densely populated large US city, and the fifth-most densely populated U.S. county, behind only four of the five New York City boroughs. San Francisco is also part of the fifth-most populous primary statistical area in the United States, the San Jose–San Francisco–Oakland, CA Combined Statistical Area (9.7 million residents).

Puerto Vallarta is a Mexican beach resort city situated on the Pacific Ocean's Bahía de Banderas. PV or simply Vallarta is the second largest urban agglomeration in the state after the Guadalajara Metropolitan Area. The City of Puerto Vallarta is the government seat of the Municipality of Puerto Vallarta which comprises the city as well as population centers outside of the city extending from Boca de Tomatlán to the Nayarit border (the Ameca River). The city is located at 20°40′N 105°16′W. The municipality has an area of 1,300.7 square kilometres (502.19 sq mi). To the north it borders the southwest part of the state of Nayarit. To the east it borders the municipality of Mascota and San Sebastián del Oeste, and to the south it borders the municipalities of Talpa de Allende and Cabo Corrientes.

Puerto Vallarta is named after Ignacio Vallarta, a former governor of Jalisco. In Spanish, Puerto Vallarta is frequently shortened to "Vallarta", while English speakers call the city P.V. for short. In internet shorthand the city is often referred to as PVR, after the International Air Transport Association airport code for its Gustavo Diaz Ordaz International Airport.

Cabo San Lucas  or simply Cabo, is a resort city at the southern tip of the Baja California Peninsula, in the Mexican state of Baja California Sur. As of 2015, the population of the city was 81,111 inhabitants. Cabo San Lucas together with San José del Cabo is known as Los Cabos. Together they form a metropolitan area of 305,983 inhabitants.

Cabo has been rated as one of Mexico's top 5 tourist destinations; it is known for its beaches, scuba diving locations, balnearios, the sea arch El Arco de Cabo San Lucas, and marine life. The Los Cabos Corridor has become a heavily trafficked vacation destination for tourists, with numerous resorts and timeshares along the coast between Cabo San Lucas and San José del Cabo.

Cabo houses a range of wildlife, including rays, sharks, birds, and a range of fish, such as mahi-mahi (dorado), and striped marlin.

San Francisco , officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California. San Francisco is the 13th-most populous city in the United States, and the fourth-most populous in California, with 884,363 residents as of 2017. It covers an area of about 46.89 square miles (121.4 km2), mostly at the north end of the San Francisco Peninsula in the San Francisco Bay Area, making it the second-most densely populated large US city, and the fifth-most densely populated U.S. county, behind only four of the five New York City boroughs. San Francisco is also part of the fifth-most populous primary statistical area in the United States, the San Jose–San Francisco–Oakland, CA Combined Statistical Area (9.7 million residents).