戦略国際問題研究所
The Center for Strategic and International Studies (CSIS) is a think tank based in Washington, D.C., in the United States. CSIS was founded as the "Center for Strategic and International Studies" of Georgetown University in 1962. The center conducts policy studies and strategic analyses of political, economic and security issues throughout the world, with a specific focus on issues concerning international relations, trade, technology, finance, energy and geostrategy.