Poroshenko raised this issue in a telephone conversation with newly elected EP President Antonio Tajani, the press service reported.
He also congratulated Tajani on his new position.
Further, Poroshenko expressed hope that the European Parliament would continue strong support of Ukraine in its determination to restore territorial integrity and deepen relations with the EU.
Read alsoEuropean Parliament election: Antonio Tajani new president – BBCBoth officials also discussed prospects for completing the procedures necessary for the introduction of visa-free travel for Ukrainians and full implementation of the Ukraine-EU Association Agreement.
Poroshenko thanked the European Parliament for its policy of non-recognition of Russian annexation of Crimea and asked to actively counter repression and human rights violation committed by Russia against Ukrainian citizens, including Crimean Tatars. He also urged to help facilitate the release of all hostages illegally detained in Russia.