AD Municipal Liberia is a professional Costa Rican football club based in Liberia, the capital of the Guanacaste Province. The team competes in the Liga Promerica, the top division of Costa Rican football. They play their home matches at the Estadio Edgardo Baltodano Briceño, a venue known for its vibrant atmosphere and passionate local support. The club, founded in 1977, has traditionally been a mid-table side but has grown in stature, famously winning their first and only Primera División title in the 2019 Verano season, a historic achievement that brought immense pride to the region. Known as "La Furia Azul" (The Blue Fury), their blue and white kit is iconic. They are known for developing local talent and playing an energetic, attacking style of football that embodies the spirit of Guanacaste.