Founded in 1920, TNL serves as the official association for amateur and professional theatres in Finland. The current activities of the association focus on educational activities, theatre events, the supervision of the interests of our member theatres, the provision of information and international activities.
TNL organises several theatre festivals every year and is a member of multiple international organisations. TNL has approximately 160 member theatres.

KUULAS Festival
KUULAS is an annual children’s theatre festival in Kouvola, Finland. The festival hosts
performances by 1-2 foreign theatre groups and up to ten Finnish amateur
and professional theatre groups. It also includes - among other events - workshops
for children and adults. The festival’s program is aimed at 0–12 year olds and their families. KUULAS is organized by TNL together with the City of Kouvola and Kouvola area Theatres. (www.kuulas.info)