How many visitors, international and domestic, visit the place where three of the state's four largest incorporated cities are located?
Las Vegas–Paradise, NV MSA The Las Vegas–Paradise, NV MSA, also known as the Las Vegas–Henderson–Paradise, NV Metropolitan Statistical Area (2013), is in the southern part of the U.S. state of Nevada, coextensive since 2003 with Clark County, Nevada. A central part of the metropolitan area is the Las Vegas Valley, a 600 sqmi basin that includes the metropolitan area's largest city, Las Vegas as well as the other primary city, Paradise, Nevada. The area contains the largest concentration of people in the state. Cities in the metropolitan area include Las Vegas, Henderson, North Las Vegas, and Boulder City. The metropolitan area is one of the top tourist destinations in the world, drawing over 40 million international and domestic visitors in 2013 with a GMP of US$103.3 billion.
Portland, Maine Portland is the largest city in the U.S. state of Maine, with a population of 66,937 as of 2016. The Greater Portland metropolitan area is home to over half a million people, more than one-third of Maine's total population. The Old Port district is frequented by tourists, while Portland Head Light is also a destination. The city seal depicts a phoenix rising from ashes, which is a reference to the recoveries from four devastating fires. Portland was named for the English Isle of Portland, and the city of Portland, Oregon, was in turn named after Portland, Maine.