Consul General of Poland in Istanbul Witold Lesniak organized a Christmas Concert at the Church of Saint Antoine. Heads of diplomatic mission in Istanbul, representatives of non-governmental organizations and Polish people living in Istanbul attended the concert of Soprano Elzbieta Nowotarska-Lesniak. President of the Marmara Group Foundation Dr. Akkan Suver, Mujgan Suver, Secretary General of the Marmara Group Foundation Cafer Okray, Şen Okray and Şeyma Kabak were also present at the concert on behalf of the Marmara Group Foundation.