Macapa is a regional capital in Brazil with a population of about 512,902.

Macapá is the capital of the Brazilian state of Amapá, in the country's North Region, located on the northern channel of the Amazon Delta near its mouth on the Atlantic Ocean. Its population is estimated to be 512,902 (2020). The city is on a small plateau on the Amazon in the southeast of the state of Amapá. The only access by road from outside the province is from the overseas French department of French Guiana, although there are regular ferries to Belém, Brazil. Macapá is linked by road with some other cities in Amapá. The equator runs through the middle of the city, leading residents to refer to Macapá as "The capital of the middle of the world." It covers 6,407.12 square kilometres (2,473.80 mi2) and is located northwest of the large inland island of Marajó and south of the border with French Guiana.
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