Turku is a name given to songs in Turkish folk music.
Turkus can be grouped into two categories according to their melodies:
Kirik havalar: These have regular melodies. Following subtypes belong to this category: deyi, koma, semah, tatyan, barana, zeybek, horon, halay, bar, bengi, sallama, guvende, oyun havasi, karilama, agirlama, perev, teke zortlatmasi, gakgili havasi, dimidan, zil havasi, fingil havasi.
Uzun havalar: There have irregular melodies. Following subtypes belong to this category: barak, bozlak, gurbet havasi, yas havasi, tecnis, bogaz havasi, elagozlu, maya, hoyrat, divan, yol havasi, yayla havasi, mugam, gazel, uzun hava (is used for the ones which doesn't fit into any other subtype)