During the meeting, the Iranian and Russian officials discussed the process of fulfilling the Joint Comprehensive Plan of Action (JCPOA) inked between Iran and the P5+1.
Araqchi said Iran and Russia have continued their relations and consultations since the beginning of the implementation of the nuclear deal, according to IRNA.
Meaqnwhile, Ryabkov underscored that Russia attaches great importance to further expansion of relations with Iran.
Araqchi arrived in Moscow on Wednesday morning.
Ryabkov announced on Monday that the new US sanctions against Iran are regrettable, adding that Tehran has not violated JCPOA.
He told reporters in Moscow that launching and testing missiles by Iran is not violation of JCPOA and Resolution 2231.
Ryabkov said he has declared its position to the US side and hopes that Washington will use Russia's recommendations while developing policies by close review of the contents of the JCPOA and the UN Security Council Resolution 2231.
Russia, China, France and Britain, as four permanent members of the UN Security Council, along with the European Union and Germany have repeatedly underlined that JCPOA, as an international document confirmed by the UNSC is definite and binding.
EghtesadOnline: Deputies Foreign Ministers of Iran and Russia Abbas Araqchi and Sergei Ryabkov, who are senior nuclear negotiators as well, held talks on Wednesday.