Tijuana is positioned on the Gold Coast of Baja California, and is the municipal seat and the cultural and business 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 contains 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 caredevice manufacturing capital of North America. Tijuana is also a growing 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 recognized for Tijuana escorts. A lot more than fifty million men and women cross the border in between these two cities each and every 12 months. This metropolitan crossing helps make the San Ysidro Port of Entry the fourth busiest land-border crossing in the planet. It is estimated that the two border crossing stations in between the cities appropriate of San Diego and Tijuana account for 300,000 day-to-day border crossings alone.

Tijuana is the 45th biggest city in the Americas and is the westernmost city in Mexico. According to the 2015 census, the Tijuana metropolitan location was the fifth-biggest in Mexico, with a population of one,840,710, but rankings vary, the city (locality) itself was 6th biggest and the municipality (administrative) 3rd biggest nationally. The global metropolitan region was estimated at about 5,158,459 in 2016, making it the third-biggest metropolitan location in the former Californias region, 19th biggest metropolitan location in the Americas, and the biggest bi-national conurbation that is shared in between US and Mexico with elite latinas. Tijuana is getting to be much more suburbanized like San Diego.