Alajuela is a province in Costa Rica, located in the central part of the country. It is known for its lush landscapes, coffee plantations, and the famous Arenal Volcano. The capital city, also named Alajuela, serves as an important cultural and economic center. The province is home to several attractions, including the Juan Santamaría International Airport, which is the main airport serving Costa Rica. Visitors can explore the La Paz Waterfall Gardens and enjoy the rich biodiversity of the region, making it a popular destination for eco-tourism and outdoor activities.