Question: What is the area of this historic part of Macau, where Freguesia de Se is a southeast freguesia?

Context paragraphs:
Nossa Senhora de Fátima, Macau: Freguesia de Nossa Senhora de Fátima is the northernmost and largest freguesia (parish) in Macau Peninsula, Macau.  It has an area of 2.7 km2 and a population of 126,000, which constitutes about 40.3% of the peninsula's land mass and one-third of the population.  It consists mostly of land reclaimed from the sea,Natural land comprises only a quarter of its current size.  It was developed from farmlands in the 1960s and 1970s, to become an industrial area.  Forty-one percent of Macau's factories are located in the parish.

São Lázaro: Freguesia de São Lázaro (English:St. Lazarus Parish) is the smallest parish in Macau, located in the central-east region of the Macau Peninsula.  It is surrounded by Freguesia de Nossa Senhora de Fátima, Freguesia de Santo António, and Freguesia da Sé.  One-third of its region is covered by Guia Hill (Portuguese: Colina da Guia, Chinese: 松山 or 東望洋山).  3% of factories in Macau are located in the district.

Cedrim e Paradela: Cedrim e Paradela (Portuguese: "União de Freguesia de Cedrim e Paradela") is a parish in Sever do Vouga, Aveiro District, Portugal.  The population in 2011 was 1,554, in an area of 18.37 km².

Macau Peninsula: Macau Peninsula is the most populous and historic part of Macau.  It has an area of 8.5 km² (4 x ) and is geographically connected to Guangdong province, at the northeast, through an isthmus 200 m wide.  The peninsula, together with the city centre of Zhuhai, sits on an island separated from the continent by distributaries of the Pearl River.  The Border Gate (; Portuguese: "Portas do Cerco" ) was built on the northern isthmus.  At the south, the peninsula is connected to Taipa Island by three bridges, the Friendship Bridge ("Ponte de Amizade"); the Macau-Taipa Bridge ("Ponte Governador Nobre de Carvalho"); and the Sai Van Bridge ("Ponte de Sai Van").  The longest axis extends 4 km from the Border Gate to the southwestern edge, Barra (媽閣嘴).  There is a western Inner Harbour (內港), and an eastern Outer Harbour (外港).  The 93 m Guia Hill (松山) is the highest point on the peninsula, which is, on an average, 50 to .  Many coastal places are reclaimed from sea.  The Historic Centre of Macau, which is entirely in the Macau Peninsula, became a World Heritage Site in 2005.

Interments (felo de se) Act 1882: Interments (felo de se) Act 1882 (45 & 46 Vict c 19) is an Act of the Parliament of the United Kingdom.  Before this Act, a person found felo de se could be buried in a churchyard only between 9 and 12pm, and without rites.  This Act sanctioned burial at any hour, and with the usual rites.

São Lourenço, Macau: Freguesia de São Lourenço is a parish of Macau.  It is located in the southwestern of Macau Peninsula and named after Lawrence of Rome.

Santo António, Macau: Freguesia de Santo António is a freguesia on the western portion of the Macau Peninsula.  It has the highest population density in Macau (98,776 persons per km²).  The entire area is reclaimed from the sea.

Sé, Macau: Freguesia da Sé is a southeast freguesia of the Macau Peninsula.  It is the second largest peninsular district in Macau after Freguesia de Nossa Senhora de Fátima.  The freguesia area is named for "Igreja da Sé".

Coloane: Coloane, officially Freguesia de São Francisco Xavier, is one of the two main islands of the Macau.  The island is located directly south of Macau's other main island, Taipa (氹仔), and east of Hengqin Island of Zhuhai in Guangdong province, China.

Taipa: Taipa is an island in Macau, presently united by an artificial landfill to the island of Coloane.  Administratively, Taipa constitutes a "freguesia" (civil parish) named Freguesia de Nossa Senhora do Carmo.

Supporting paragraphs: Sé, Macau Macau Peninsula
Answer: 8.5 km²