Ministry of Regional Development
Department for European Social Fund Management
Wspólna 2/4
00-926 Warsaw Poland
tel. (22) 501-50-04
fax: (22) 501-50-31
e-mail: POKL@mrr.gov.pl 
call center ESF: tel. 0 801 337 801 (0 801 EFS 801) payable as for local connection