What is Tijuana?
{{Infobox settlement |name = Tijuana |official_name = ''Ciudad de Tijuana''<br>City of Tijuana |nickname = T.J.<br> Gateway to Mexico<br> A Heart Between Two Seas |motto = |image_skyline = Zona_Rio_Tijuana.jpg |imagesize = 250px |image_caption = [[Zona Río]], the main business district |settlement_type = [[City]] |image_flag = |image_seal = |image_shield = Tijuana, Mexico, COA, Escudo.jpg |image_map = |mapsize = 150px |map_caption = Location of Tijuana within Mexico |pushpin_map = Mexico |subdivision_type = [[Countries of the world|Country]] |subdivision_name = [[Mexico]] |subdivision_type1 = [[Political divisions of Mexico|State]] |subdivision_name1 = [[Baja California (state)|Baja California]] |subdivision_type2 = [[Municipality]] |subdivision_name2 = [[Tijuana Municipality|Tijuana]] |government_type = [[Ayuntamiento]] |leader_title = [[Municipal president of Tijuana|Municipal President]] |leader_name = [[Carlos Bustamante Anchondo]] |leader_title1 = <!-- for places with, say, both a mayor and a city manager --> |leader_name1 = |leader_title2 = |leader_name2 = |leader_title3 = |leader_name3 = |established_title = Founded |established_date = July 11, 1889 |established_title2 = |established_date2 = |established_title3 = |established_date3 = |unit_pref = Metric |area_footnotes = |area_total_km2 = 637 |area_total_sq_mi = 246 |area_land_km2 = |area_land_sq_mi = |area_water_km2 = |area_water_sq_mi = |area_water_percent = |area_urban_km2 = |area_urban_sq_mi = |area_metro_km2 = 1392.5 |area_metro_sq_mi = 537.9 |population_demonym = Tijuanan |population_as_of = 2010 Census |population_note