Tijuana is the largest city in Baja California and has the busiest border in the world with more than 50 million people crossing it every year. It is an important manufacturing centre for North America and a highly multicultural city. The border between Tijuana and San Diego is a whopping 24 km long.
Mexico's most western city has a population of approximately 1.3 million people. It is an ideal day trip destination for people staying in San Diego. The city is getting more and more cosmopolitan with a high majority of English speakers compared to other Mexican cities. The currency in Tijuana is the Mexican peso. US dollars are widely accepted though.
The climate in Tijuana is mild due to its closeness to the Pacific Ocean. Humidity is relatively low and temperatures are nice and moderate all year round.
The main tourist area of Tijuana is Avenida Revolucion. Another place to visit is the Red Light District the city is famous for. However, if you opt to visit the Red Light District it is important to take necessary safety precautions. Nonetheless the area is probably one of the city's safest due to its large police presence. Moreover, Tijuana is located on the ocean, just like the neighbouring city Rosarito which has beautiful beaches.