Kazakh President Nursultan Nazarbayev will arrive in Moscow on a two-day working visit on Sunday, an official at the country's Foreign Ministry told Itar-Tass. Nazarbayev will make the visit to Russia at President Vladimir Putin's invitation. The two leaders plan to discuss the entire range of issues of the bilateral cooperation. Currently, Russia and Kazakhstan have the highest level of bilateral partnership among the former Soviet republics. Last year's bilateral trade turnover exceeded 12 billion U.S. dollars. Moscow and Astana interact actively within the framework of the Commonwealth of Independent States (CIS), the Eurasian Economic Community (EurAsEC), and the Collective Security Treaty Organization (CSTO).