"We believe Poles and Hungarians have a common path, common fight and common goal: to build and defend our homeland in the form that we like it … Christian and with national values," Orban said, adding that Warsaw can count on Budapest in its row with European authorities.
"When Poland is attacked then it is Central Europe [that is] under attack," he added.
In a separate statement, Poland's Law and Justice (PiS) party leader, Jaroslaw Kaczynski, endorsed Orban ahead of Sunday's election, saying that “dignity and freedom of nations is closely linked to Viktor Orban's name not just for Hungarians, but for Poles.”
"Brussels … wants to dilute the population of Europe and to replace it, to cast aside our culture, our way of life," he said in a speech on March 15.
European states have been hit by a massive migration crisis in recent years as thousands of people flee violence in their home countries in the Middle East and North Africa. A total of 13,355 migrants and refugees have entered Europe by sea since the beginning of 2018, according to the International Organization for Migration.