manzana

A unit of land area in many Central and South American countries, originally = 10,000 square varas, roughly two acres:

Argentina: 1 hectare (about 2.47 acres)
Belize: 8,353 square meters, approximately 2.064 acres (UN 1966)
Costa Rica: 6,988.96 square meters, approximately 1.7270 acres

United Nations, 1966.

[Costa Rica. Ministerio de formento.]
Medidas y pesas del sistema métrico, y tablas de equivalencia con las antiguas.
San José de Costa Rica: Imprenta nacional, 1885.

El Salvador: UN (1966) reports it as 7,025.79 square meters, approximately 1.736 acres. However, Technical Factors..., (1972, page 154) says 0.7 hectares.
Guatemala: 7,056 square meters, approximately 1.74 acres (UN 1966)
Honduras: 6,972.25 square meters, approximately 1.72 acres (UN 1966)
Nicaragua: 7,000 square meters, approximately 1.7 acres (UN 1966)