What region of China that has a border checkpoint called Posto Fronteiriço das Portas do Cerco ('Frontier Post of the Border Gate' in Portuguese) is both the first and last European colony in that country?
Posto Fronteiriço das Portas do Cerco Zhuhai is Gongbei Port, through which travellers must pass before or after Portas do Cerco. The gate was opened on 15 January 2004. Posto Fronteiriço das Portas do Cerco The Posto Fronteiriço das Portas do Cerco (Portuguese for "Frontier Post of the Border Gate") is an immigration and customs checkpoint in the Portas do Cerco area in northern Macao, on its border with mainland China's Zhuhai. It is one of two border crossings between Macau and mainland China, the other being the Lotus Bridge between Macao's Cotai and mainland China's Hengqin Island. Travellers entering Macau pass through immigration and customs
Portas do Cerco Zhuhai in mainland China a few meters behind the old barrier gate. The new Posto Fronteiriço das Portas do Cerco ("border gate border building") was opened on 15 January 2004. The first formalised border crossing was built in 1573, which was subsequently repaired and rebuilt several times until the present border gate was erected in 1870. It was the site of the Battle of the Barrier between British and Chinese forces on 19 August 1840. During the 1950s and 1960s the Portas do Cerco was also referred to as "Far Eastern Checkpoint Charlie" with a major border incident happening in