Cete Cidades

Sete Cidades is a civil parish in the center of the municipality of Ponta Delgada, that is likewise located in the center of a
massive volcanic crater three miles across, also referred to as Sete Cidades. The smallest parish by population (although
largest in area), Sete Cidades's population was 858 (2001), in an area of 19.22 km² (its density is 44.6/km²).
The parish is widely recognized as an ex-libris of the island of São Miguel by locals and members of the Portuguese diaspora.
From Wikipedia*