I hear plaza, but I think there is another name that I can't remember...
plaza mayor
campi
The chief official of a Spanish town is typically called the "alcalde." This official is responsible for governing the town, enforcing municipal laws, and representing the interests of the community. The position of alcalde is similar to that of a mayor in other countries.
The spell is the same to town square in English
Erlangen
There is no such town that officially does this (although Andorra - an independent principality - claims this). However, many cities on the Spanish side of the border will have French speakers. Fewer cities on the French side of the border will have Spanish speakers.
Near the main square (called plaza central or zocalo).
Plaza
"Plaza" in Spanish typically refers to a public square or marketplace, often found in the center of a city or town where people gather or conduct business.
In many Mexican towns the town squares are called Zocalo's
The town square.
campi
The idealized Spanish town in Mesoamerica had a central business plaza with a Catholic church nearby. It also had good farmland close to the borders of the village.The idealized Spanish town in Mesoamerica had central plaza, street pattern layout in gridiron form, and located on good agricultural land.
Barrio
a village green--a central square with a meetinghouse
There's a town called Centralia in the central part of Illinois.
pueblo
campi"piazza della città (luogo centrale della città)"This means "Square of the city (central location of the city)"