Pilar
Pilar Location in Greater Buenos Aires
Coordinates: 34°29′S 58°55′W / 34.483°S 58.917°W / -34.483; -58.917
Country	Argentina
Province	Buenos Aires
Partido	Pilar
Elevation	18 m (59 ft)
Population (2001 census [INDEC])
- Total	226,517
CPA Base	B 1629
Area code(s)	+54 2322

Pilar is a city in the province of Buenos Aires, Argentina. It has a population of more than 226,000 inhabitants as per the 2001 census [INDEC]. Pilar is part of the Greater Buenos Aires urban conurbation and is the head of the administrative division of Pilar Partido.

Pilar is the site where the Treaty of Pilar was signed on February 23, 1820, establishing the basis for Argentine federalism. Because of this relevant event, the city of Pilar is acknowledged as the "Cradle of National Federalism". This Treaty marked the end of the war between the provinces of Entre Ríos and Santa Fe against Buenos Aires.

Pilar has experienced a huge demographic expansion, specially in the last decade, that has brought with it rapid economic development. The city has become known as an exclusive residential hideaway from downtown Buenos Aires where many affluent families own houses located within private country clubs.

[edit] References

• (Spanish) Municipal information: Municipal Affairs Federal Institute (IFAM), Municipal Affairs Secretariat, Ministry of Interior, Argentina.
• (Spanish) Municipality of Pilar - Official website.
• (Spanish) Pilar Natural Reserve

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