Lanxi, Zhejiang and Zhangzhou are both what type of city?
Zhangzhou Zhangzhou, formerly romanized as Changchow, is a prefecture-level city in Fujian Province, China. The prefecture around the city proper comprises the southeast corner of the province, facing the Taiwan Strait and surrounding the prefecture of Xiamen. During the 2010 census, the entire area of Zhangzhou was home to 4,809,983 inhabitants. Along with the 1.9m people of central Xiamen, its urban districts of Longwen and Xiangcheng, together with Longhai, form a single metropolitan area of about 5 million people .
Longhai City Longhai is a county-level city within the prefecture-level city of Zhangzhou, in the south of Fujian province, People's Republic of China. Longhai comprises territory on both banks of the lower Jiulong River, although most of its area is on the right (southern) bank. The left bank yields to Xiamen before reaching the sea, the right bank becomes the south shore of Xiamen Bay and is home to the Zhangzhou Port tariff-free industrial export zone, in Longhai's Gangwei Town.