Niterói is a city and
municipality, across Guanabara Bay from Rio de Janeiro, in the Rio de Janeiro
Metropolitan Area, in the state of Rio de Janeiro, in southeast region of
Brazil. It has an estimated population of 487,327 inhabitants (2010) and an
area of 129.375 km (80.39 mi)², being the sixth most populous city in
the state and the highest Human Development Index Rio de Janeiro's city, and
one of largest in Brazil. . The city has the nicknames of Niquiti, Nicki City
and the Smile City (Cidade Sorriso)