Aliens — Refugees — Asylum seekers — International protection — Refoulement — European Union — Council Decision 2015/1601 — Relocation mechanism — Relocation of migrants from Italy and Greece — Relocation of migrants to other EU Member States — Whether Council Decision relocating migrants followed appropriate procedure — Whether Council Decision relocating migrants disproportionate — Whether Council Decision relocating migrants placed a disproportionate burden on Hungary — Whether territory of all EU Member States to be taken as a single area for purposes of non-refoulement

Human rights — International protection — Migration — Whether there being right to choose host country — Convention Relating to the Status of Refugees, 1951 — Non-refoulement — Whether Council Decision 2015/1601 relocating migrants breached the principle of non-refoulement

Relationship of international law and municipal law — Treaty of the Functioning of the European Union, 2007 — Article 78(3) — Council Decision 2015/1601 — Convention Relating to the Status of Refugees, 1951 — Non-refoulement — Whether Council Decision relocating migrants breached the principle of non-refoulement — The law of the European Union