About: Katana is a town located in the Gampaha district of Sri Lanka, just a few kilometers away from the Bandaranaike International Airport. It is a popular residential area due to its convenient location, and is also known for its rich history and cultural heritage. One of the main attractions in Katana is the St. Sebastian`s Church, which is a beautiful colonial-era church that dates back to the 18th century. The church is known for its stunning architecture and beautiful stained glass windows, and is a popular destination for tourists and locals alike. Also spelled as: ""