General Lavalle (also known as Ajó[1]) is a city located in the east of the province of Buenos Aires, Argentina.

The city, partido, and municipality, are named after Juan Lavalle (1797-1841), who was a military and political figure in the early years of the Argentine state.

The city is about a two-hour drive from Buenos Aires Ministro Pistarini International Airport.

On the shores of the Ajó river, which flows from the interior of the province into Samborombón Bay, it has deep-waters port close to the sea.

This article about a place in Buenos Aires Province, Argentina is a stub.