The Finnish Boys 'and Girls' Center - PTK Association (Finnish: Suomen Poikien ja Tyttöjen Keskus) is the service organization for early youth work in the Evangelical Lutheran Church of Finland.
Through its member churches, the PTK reaches over 72,000 youth and 7,000 volunteer youth instructors in boys 'and girls' clubs, events and camps.
PTK's headquarters are located in the Partaharju Center of Action in Pieksämäki.
It is also a lobbying organization for early youth and their families.
In addition to Partaharju, the organization owns the Tievatuva hiking center in Saariselkä.