Castelli Partido de Castelli
Department
Logo
location of Castelli partido in Buenos Aires Province
Coordinates: 36°06′S 57°47′W / 36.100°S 57.783°W / -36.100; -57.783
Country	Argentina
Seat	Castelli
Government
• Mayor	Edgardo Larraza (UCR)
Area
• Total	2,100 km2 (800 sq mi)
Population
• Total	7,852
• Density	3.7/km2 (9.7/sq mi)
Demonym	castellino
Postal Code	B7114
IFAM	BUE023
Area Code	02245
Website	castelli.gob.ar

Castelli Partido is a partido on the east coast of Buenos Aires Province in Argentina.

The provincial subdivision has a population of about 8,000 inhabitants in an area of 2,100 km² (810 sq mi), and its capital city is Castelli, which is 180 km (110 mi) from Buenos Aires.

• Castelli
• Guerrero
• Cerro de La Gloria

• Official website