The organization announced his retirement a day after the government of Prime Minister Viktor Orban announced the tightening of restrictions on the activities of non-governmental organizations in accordance with the law, dubbed "Stop Soros".
"Faced with an increasingly repressive political and legal environment in Hungary, the Open Society Foundations are moving their Budapest-based worldwide operations and staff to the German capital, Berlin, " the group announced on Tuesday.
What would the Stop Soros law do? .
Earlier, the Hungarian government had expressed their opposition to the activities of billionaire George Soros and his organizations, accusing them of meddling in the country's internal affairs.
'It has become impossible to protect the security of our operations and our staff in Hungary, ' Open Society Foundations said.More news: Germany Reacts to Ozil, Gundogan For Picture Taken With Erdogan
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The Open Society Foundations have a long legacy in Hungary, where Soros was born and where he began his philanthropy in Europe.
The nationalist leader ploughed tens of millions of euro in taxpayers' money into an anti-Soros media campaign that critics called anti-Semitic, and he said on Monday that the Stop Soros law is a top priority. The foundation supports and funds democracy and civil society initiatives in more than 100 countries worldwide. It would also introduce a 25 percent tax on foreign donations to NGOs that support migration.
Together with other worldwide funders, Open Society will continue to support the important work of civil society groups in Hungary on issues such as arts and culture, media freedom, transparency, and education and health care for all Hungarians.
Soros has remarked that the Hungarian government was attempting to slander him by pushing "distortions and lies". The Hungarian government opposes the Open Society's open immigration policies.
"I just want to mention two principles, in which I believe we have agreement".