Aibonito (Spanish pronunciation: [ajβoˈnito]) is a small mountain town and municipality in Puerto Rico located in the Sierra de Cayey mountain range, north of Salinas; south of Barranquitas and Comerío; east of Coamo; and west of Cidra, and Cayey.

Aibonito is located at a relatively high elevation (its main square is the highest in the island at 732 metres (2,401 ft) above sea level), which makes its climate cooler than most of Puerto Rico's towns.

There's also a legend that tells of a Spanish soldier called Diego Alvarez who on May 17, 1615, reached one of the highest peaks in the area and upon watching the view, exclaimed "¡Ay, qué bonito!"

[3] Before the Spanish colonization of the Americas, it is believed that there were Taíno settlements in the region that belonged to Cacique Orocobix domain.

After the Spanish arrived, it is believed that a ranch was established in the region by Pedro Zorascoechea in 1630, which led the development of a hamlet.

However, it wasn't until 1822 when Don Manuel Veléz presented himself before the government, representing the inhabitants of the area, to ask for Aibonito to be officially declared a town.

On the Spanish–American War of 1898, around 800 Spanish and Puerto Rican soldiers were able to defeat the invading American troops due to their strategic placement in Asomante Mountain.

Puerto Rico was ceded by Spain in the aftermath of the Spanish–American War under the terms of the Treaty of Paris of 1898 and became a territory of the United States.

[7] Aibonito is located in the Sierra de Cayey, part of the Cordillera Central in Puerto Rico.

[8] Aibonito is the town with the highest elevation in Puerto Rico, located at 732 metres (2,401 ft) above sea level.

As the trade winds coming from the northeast go through orographic lift, rainfall is both greater and more consistent throughout the year than in coastal areas (particularly the south coast only minutes away), with fog being a common occurrence.

San José Church, which was designed by architect Pedro Cobreros between 1887 and 1897, was built in 1898 is located in the central plaza.

There is a plaque commemoration the 100th anniversary of the Spanish–American War at Asomante Memorial, a place with a view of the Central Mountain Range.

The Fiestas Patronales de Santiago Apostol is a religious and cultural celebration that generally features parades, games, artisans, amusement rides, regional food, and live entertainment.

[36] The flag of Aibonito features four equal horizontal bands of blue, white, red, and yellow; a green isosceles triangle based on the hoist side bears the town's coat of arms.

The upper left corner features the Asomante Mountain with a sword in front, representing the last battles of the Spanish–American War that took place there.

The upper right corner features a white band on a blue field, symbolizing the fog that covers the region in winter.

The lower left corner features the gold tower of Casa Manresa, to symbolize the spiritual value of the institution.

In the lower right corner, a divided green mountain which represents the San Cristóbal Canyon with a seashell above it that symbolizes Apostle James.