Tijuana is situated on the Gold Coast of Baja California, and is the municipal seat and the cultural and commercial center of Tijuana Municipality (Mexican states are divided into municipalities, rather than counties as in the U.S.). Tijuana covers 70% of the territory of the municipality and is made up of 80% of its population. A dominant manufacturing center of the North American continent, the city maintains facilities of many multinational conglomerate organizations. In the early 21st century, Tijuana grew to become the health-related–gadget manufacturing capital of North America. Tijuana is also a increasing cultural center and has been recognized as an critical new cultural mecca. The city is the most visited border city in the globe sharing a border of about 24 km (15 mi) with its sister city San Diego, and is acknowledged for Tijuana escorts. More than fifty million folks cross the border between these two cities every year. This metropolitan crossing makes the San Ysidro Port of Entry the fourth busiest land-border crossing in the globe. It is estimated that the two border crossing stations between the cities suitable of San Diego and Tijuana account for 300,000 every day border crossings alone.
Tijuana is the 45th largest city in the Americas and is the westernmost city in Mexico. According to the 2015 census, the Tijuana metropolitan region was the fifth-largest in Mexico, with a population of 1,840,710, but rankings vary, the city (locality) itself was 6th largest and the municipality (administrative) 3rd largest nationally. The worldwide metropolitan area was estimated at about 5,158,459 in 2016, generating it the third-largest metropolitan region in the former Californias area, 19th largest metropolitan region in the Americas, and the largest bi-national conurbation that is shared between US and Mexico with elite latinas. Tijuana is becoming more suburbanized like San Diego.