Tianjin is the largest coastal city in northern China. In terms of urban population, Tianjin is the fourth largest in China, after Shanghai, Beijing, and Guangzhou. In terms of administrative area population, Tianjin ranks fifth in Mainland China. The walled city of Tianjin was built in 1404. As a treaty port since 1860, Tianjin has been a major seaport and gateway to Beijing. During the Boxer Rebellion the city was the seat of the Tianjin Provisional Government. Under the Qing dynasty and the Republic of China, Tianjin became one of the largest cities in the region. At that time, numerous European-style
Sorsogon City to the north east, and Pacific Ocean in the east. Sorsogon City is southeast of Manila and south of Legazpi City. The 2015 Census puts the city's population at 168,110 with an annual growth rate of 0.84%. Sorsogon City ranked as the 3rd largest city in terms of population in the Bicol region. The only city in the province of Sorsogon, Sorsogon City is the largest in terms of land area in the Bicol region. The Pan-Philippine Highway which runs From Northwest to Southeast through the city, connects Sorsogon City to the municipalities of Castilla, Pilar, in the Northwest towards