Banna, officially the Municipality of Banna (; ), is a municipality in the province of Ilocos Norte, Philippines. According to the , it has a population of people.
The word Banna was taken from the native chieftain named Bana. It was formerly known as Espiritu. The name changed under Sangguniang Panlalawigan (SP) Resolution No. 120âÂÂ95 on March 20, 1995; ratified on March 10, 1996.
Banna is situated from the provincial capital Laoag, and from the country's capital city of Manila.
Banna is politically subdivided into 20 barangays. Each barangay consists of puroks and some have sitios.
In the 2024 census, the population of Banna was 19,363 people, with a density of .
Banna is part of the second congressional district of the province of Ilocos Norte. It is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code. The mayor, vice mayor, and councilors are elected directly by the people through an election that is held every three years.
The Banna (Espiritu) Schools District Office governs all public and private elementary and high schools within the municipality.